In-Depth: Top 200 paid iPhone apps for medical professionals

By Brian Dolan
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MedCalcBy MobiHealthNews' count there are currently more than 35,000 unique, health-related apps available in various app stores. That includes everything from fitness and diet tracking apps to clinical decision support apps for doctors. Within that group we estimate that about 10,000 apps available today are intended for use by medical professionals.

For a few years now Apple has shared a variety of "top" app lists that are generated via proprietary algorithms making it difficult to understand exactly how the company ranks apps -- even when it does so with descriptors like "top grossing". Top grossing since when? Apple's AppStore includes two categories for health-related apps: Health & Fitness is one, which is mostly full of consumer and patient-facing apps. The other category, which we are focusing on in this in-depth, is the Medical category, which includes a large number of apps intended for use by medical professionals.

This week MobiHealthNews took a snapshot of two "top" app lists generated by Apple -- Top Paid apps in the Medical category and Top Grossing apps in the Medical category. We went through and eliminated all consumer apps from the list and ended up with 200 medical professional apps, which we are using as our sample for this analysis.

In the pages to follow we have included brief descriptions of all 200 apps along with their names, sellers, price, and links to their AppStore pages.

For these two Apple lists an app either needs to charge users to download it, offer in-app purchases like upgrades, or both. There are more than two dozen apps on the top grossing medical apps list that are actually free to download, but have apparently managed to entice enough users to make in-app purchases to put them far ahead other apps that require payment to download upfront. For those medical professional apps on the top paid medical app list right now, the average price of the app is about $7.99. For those top grossing medical apps that are not initially free to download, the average price is much higher -- about $24.99.

So, what kind of medical apps are making the most money right now -- assuming we can make the assumption the top paid and top grossing apps according to Apple are largely ranked in correlation with their revenue generation? The 200 medical professional apps on the lists currently are almost exclusively content-focused apps that are either some kind of study aid for medical or nursing students or are some kind of app intended for healthcare providers to use at the point of care, including drug reference apps, medical calculators, and medical dictionaries. 

MobiHealthNews' analysis of these 200 iPhone apps for medical professionals found that the majority of these top revenue generating apps are for use at the point of care -- 143 out of 200 (72 percent). The remaining 57 medical professional apps (28 percent) are study guides and test prep apps for medical students. Within the top grossing apps list, 71 out of 107 (66 percent) were point of care medical reference apps of some kind, while the remainder were medical student apps. For paid apps 72 out of 93 apps on the list (77 percent) were point of care apps, and 23 percent were for students.

EMT Review Plus LimmerGiven that there are now more than 10,000 apps competing for a spot on medical professionals' smartphones, how did these 200 apps manage to win over their users? These are paid apps too -- either requiring an upfront payment to download or in-app purchases to upgrade the app's features.

One of the medical companies that has a number of apps featured on Apple's top paid and grossing medical apps lists right now is Unbound Medicine.

"Unbound Medicine has really focused on product and ensuring we give the user an optimal experience," VP of Marketing Brian Cairy told MobiHealthNews in an email. "When you have a quality product and you get some people using your product, word spreads quickly. Unbound has been providing point of need information since 1999 and we have really developed a loyal base."

Cairy said that his company's apps can beat out free or cheaper apps because Unbound's apps are more reliable, easier to use, and kept up to date.

Like most healthcare technology companies, Unbound relies on a number of marketing channels to help spread the word about its offerings, including industry conferences like MLA (for the medical library audience), AAMC (for the medical education audience), and NLN (for nurses). Unbound also keeps up with its users via its Facebook page and Twitter feed.

Not surprisingly, more than anything Cairy chalks up his company's multiple medical apps success stories to serving physicians well:

"I think the positive reviews we get in the app stores and the solid reputation we have built over time is the biggest factor," he said. "Many of our customers have used us during their training, then transform into use as practicing physician and nurses."

The smaller, Switzerland-based developer team behind the successful MedCalc apps would likely agree, but they decided not to do any paid marketing at all.

"We don't do any marketing," MedCalc creators Pascal Pfiffner and Mathias Tschopp told MobiHealthNews in an email. "While it might be different for games, we believe quality software sells itself, and that's what we are trying to deliver. Virtually every medical professional needs a medical calculation tool, and many use one several times a day. This means that you need a tool that gets the job done quickly and reliably."

The company does keep a Twitter feed going to share news about the app and to answer user's questions as they come up, but it says it partakes in no other form of community building or marketing. While the MedCalc name may not be familiar to non-clinicians, the app has gained its growing user base over a 15-year period. The first version launched for the Palm platform.

"What certainly helps is that MedCalc is kind of a 'household name' in the field," the founders said. "The first version of our app came out 15 years ago, during the Palm era, and we got many of our initial followers during this golden age."

The current list of top paid and top grossing apps certainly includes a number of apps with names that have been around for many years, including Epocrates, Skyscape, DiagnosaurusRx and more.

While some of these more established medical content companies have managed to maintain a strong foothold well into the smartphone and tablet era, there are a number of up-and-comers who have managed to break out since the launch of the iPhone. Limmer Creative, founded in 2009, is one such small publishing company.

"Our products are test prep and educational apps primarily for the EMS and allied health markets," CEO Stephanie Limmer told MobiHealthNews in an email. "Our products are to help prepare professionals to take their ACLS and PALS certifications as well as the National Registry Certification Exam for EMTs and paramedics."

Like Unbound, Limmer has used a mix of marketing channels to drive adoption of its medical apps.

"Getting the word out has been through both traditional methods such as advertising in journals and attending conference trade shows and more modern methods like social media and [via] the bloggers in our markets," she wrote. "We have found that word of mouth has been huge for us and, therefore, social media has been a huge asset."

Limmer has worked with prominent bloggers to develop apps and some of those partnerships have helped to drive sales of apps more successfully than the apps they've promoted through advertising in journals and other more traditional channels. Limmer said that in addition to having solid content, successful medical app companies need to maintain good reputations and good customer service, because poor experiences with medical apps will travel fast online.

Finally, Limmer said that being included on various lists from healthcare organizations, blogs, and medical schools has helped drive interest and she expects an upcoming study at the Hennepin County Medical Center at the University of Minnesota School of Medicine that is using one of her company's apps will also turn out to be a nontraditional channel for spreading the word about Limmer's wares.

The next two pages are apps ranked by Apple as "Top Paid" apps in the Medical category and "Top Grossing" apps in the Medical category. These aren't MobiHealthNews' picks for top apps, this is based on Apple's tracking of these apps' success. MobiHealthNews edited these lists to remove apps that described themselves as intended for use by consumers or patients. Apple updates their lists fairly frequently so this should serve as a snapshot of successful app developers at this point in time.

Apple's "Top Paid" Medical Apps (filtered for healthcare professional apps)

1. Micromedex Drug Reference, by Truven Health Analytics -- $2.99

MicroMedexMicromedex Drug Reference Essentials provides on-the-go access to drug information. The app is part of the Micromedex Medication Management apps bundle, which includes Micromedex Drug Interactions and Micromedex IV Compatibility.

2. ASCCP Mobile, by American Society for Colposcopy and Cervical Pathology -- 9.99

"The ASCCP has developed a comprehensive, user friendly app for the Updated Consensus Guidelines for Managing Abnormal Cervical Cancer Screening Tests and Cancer Precursors. Each individual recommendation and the algorithms can be viewed following a few keystrokes to enter important patient data."

3. MedCalc, by Mathias Tschopp & Pascal Pfiffner -- $1.99

MedCalc offers access complicated medical formulas, scores, scales and classifications.

4. Pill Identifier, by Drugs.com -- $0.99

Pill Identifier edition is a searchable database which includes more than 10,000 Rx/OTC medications found in the U.S. Features “search as you type” functionality.

5. Critical Care ACLS Guide, by Informed Publishing -- 5.99

The Critical Care ACLS Guide helps physicians, paramedics and nurses check ACLS drug doses, interpret EKGs, look up patient medications, and much more.

6. ASRA Coags, by American Society of Regional Anesthesia and Pain Medicine -- $3.99

ASRA Coags makes the ASRA Anticoagulation Guideline reference available along with drug-specific summary information.

7. Lab Values Pro, by Hipposoft -- $2.99

The app offers lab reference values, medical abbreviations and medical prefix and suffixes.

8. BiliCalc, by Jacob Beniflah -- $1.99

Designed by a pediatrician, BiliCalc uses the American Academy of Pediatrics 2004 "Management of Hyperbilirubinemia in Infants Greater than 35 Weeks of Age" to calculate the threshold for starting phototherapy based on the patient's age, bilirubin level, and neurotoxicity risk.

9. Learn Muscles, by Real Bodywork -- $2.99

Includes 141 muscle images with name, action, origin, insertion and comments, plus audio pronunciation guide, a quiz maker, an action viewer and 6 short videos.

10. Paramedic Protocol Provider, by Acid Remap -- $9.99

LabValuesReferenceParamedic Protocol Provider provides quick offline access to over 350 field treatment protocols from the USA, Canada and Ireland.

11. MedCalc Pro, by Mathias Tschopp -- $4.99

MedCalc Pro is a medical calculator that gives you easy access to complicated medical formulas, scores, scales and classifications.

12. EMT Tutor, Code 3 Apps -- $4.99

Training tool for the EMT Basic test that includes Pathophysiology, Life Span Development, and expanded Anatomy and Physiology sections. Over 1000 Possible quiz questions and 1000 flashcards available from the app.

13. Pocket Lab Values, by Joefry Kibuule -- $2.99

Pocket Lab Values gives health professionals access to over 320 common and uncommon lab values.

14. Nursing Essentials, by Informed Publishing -- $5.99

Nursing Essentials bills itself as a resource for both recent graduates and lifelong nurses that helps them keep all the information they need at their fingertips.

15. EMT Academy, Peakview Software -- $4.99

EMT Academy is a training guide for EMT-Basic level EMS personnel.

16. Essential Anatomy 3, by 3D4Medical -- $24.99

The app helps medical professionals learn general anatomy with 3D graphics.

17. Muscle Trigger Points, by Real Bodywork -- $2.99

A reference for the most common trigger points and referral patterns for over 70 muscles. Features 100+ trigger points with their corresponding referral patterns.

18. EMT Review Plus, by Limmer Creative Ventures -- $9.99

The app includes NREMT-style questions and provide resources for study and review throughout your class.

19. Taylor's Fundamentals of Nursing, by Wolters Kluwer Health -- $4.99

Drip InfusionA companion app to the Lippincott Williams and Wilkins textbook, Fundamentals of Nursing: The Art and Science of Nursing.

20. ECG Guide, by QxMD Software -- $0.99

An ECG app that offers more than 200 examples of common and uncommon ECGs.

21. iGeriatrics, by American Geriatrics Society -- $1.99

iGeriatrics combines all of the American Geriatrics Society's free clinical information offerings into one easy to use application.

22. CNOR Practice Test & Questions, by T&E Solutions -- $9.99

A practice test app that offers over 300 practice questions with detailed answer explanations.

23. Anesthesia Case Tips, by Vargo Anesthesia -- $11.99

This app aims to help explain to anesthesia providers how best to manage more than 400 different types of cases.

24. Visual Anatomy, by YingLiang Ma -- $2.99

An interactive reference app with 3D rotational models, free 1,247 Gray's anatomy images add-on, a muscle highlighting tool and full description.

25. HESI Q&A for the NCLEX-RN Exam, by Elsevier -- 24.99

This test prep app was created by the same team responsible for the HESI series of nursing exams.

26. Medical Terms, by Aaru Labs -- $0.99

A dictionary of medical terms, terminology, prefixes & suffixes.

27. 2013 EMRA Antibiotic Guide, by Emergency Medicine Residents' Association -- $15.99

App helps ER providers find antibiotics based on organ system, diagnosis, or organism.

28. FlashRX, by ClinCalc -- $2.99

Essential AnatomyFlashRX is a flashcard and quiz-based educational tool for healthcare students and professionals to learn the top 200 medications in the outpatient setting.

29. Medical Terminology Flashcards, by Simple Tree -- $0.99

Flashcard app for studying medical terms that includes 13 pre-made decks but also lets users create their own decks.

30. The OB Wheel Pro, by Don Miller -- $1.99

This app includes a gestational age calculator, an ultrasound biometric calculator, a fetal weight calculator, a list of key weeks and trimesters, an age-adjusted risk table for trisomy 21 and aneuploidy, and a BMI calculator.

31. Anatomy Quiz Pro, by Real Bodywork -- $1.99

Anatomy study app that includes multiple choice quizes on 416 structures of the human body.

32. Lab Values Reference, by Imago -- $2.99

Designed for both clinical and academic settings, this app includes coverage of 375 of the most commonly performed laboratory tests

33. Evidence Based Primary Care, by Lohr Designs -- $0.99

"App includes over 400 laboratory tests, physical exam findings, history findings, and radiological studies for the most frequent diseases encountered in the primary care setting."

34. Drug and Prescription Medication Reference Guide, by ScriptPad -- $0.99

App offers prescribing information for over 15,000 manufactured drug products from over 1,200 pharmaceutical manufacturers and distributors.

35. ERres Emergency Medicine In The Palm of Your Hand, by Denali Apps -- $4.99

A bedside tool containing the various calculators, medication lists, algorithms, decision rules, clinical policies and core content most often looked up by emergency care providers.

36. ASCVD Risk Calculator - Pooled Cohord Risk Assessment Equations, by ClinCalc -- $0.99

This tool uses the risk assessment algorithm recommended by the 2013 ACC/AHA Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Risk in Adults.

37. Anesthesia Drugs: Fast, by Crystal Clear Solutions -- $1.99

epocratesA simple one-page utility that gives you the dosage range for your induction, paralytic and sedative drugs just by selecting the patient's weight.

38. Lab Gear - Medical Lab Values & Reference Guide, by Mohammed Raheel Sayeed -- $4.99

A pocket tool for medical laboratory tests with peer reviewed content for all health care professionals - students, physicians, nurses and is now with iCloud sync.

39. Pedi Anesthesia, by Matt Vargo -- $3.99

Pedi Anesthesia has 49 weights to select from with 138 preset calculations.

40. Muscle System Pro, by 3D4Medical -- $3.99

Learning tool that offers 215 movement animations, 425 audio pronunciations, 548 isolated muscles and 548 muscle insertion and origin maps.

41. ACLS Fast, by Crystal Clear Solutions -- $2.99

ACLS Fast gives you all the rhythms and arrhythmias along with the specific treatments. You also have acute coronary and stroke syndrome management. In addition, there is a two minute timer to assist you with time management during a code.

42. EMS ALS Guide, by Informed Publishing -- $2.99

This app equips the Paramedic or EMT-P with the right information to triage and address trauma. It provides fast, easy access to vital assessment information, medications, and drug doses; quick interpretation of 12-Lead EKGs; and the latest CPR and ACLS algorithms from the American Heart Association (AHA).

43. Physical Therapy Content Master, by Scorebuilders -- $29.99

Study tool for physical therapy students, recent physical therapy graduates, and licensed physical therapists.

44. PALS Review, by Limmer Creative Ventures -- $3.99

This app offers practice examinations based on the 2010 American Heart Association guidelines.

45. Ortho Traumapedia, by H Technologies Group -- $9.99

Ortho Traumapedia is designed to provide access to information important to the treatment of adult skeletal trauma. Based on extensive literature review, Ortho Traumapedia compiles the current standard of care including dozens of original images to help visualize fracture patterns and radiologic findings.

46. ACLS Rhythms, by iAnesthesia -- $9.99

Infant risk center"This is not an ACLS Algorithm app or simulator, but an app designed to help you recognize and understand ACLS arrhythmias."

47. Ultrasound Protocols and Image Reference Handbook, by Natalie Caufmann -- $5.99

An app for sonographers that includes 25 exams and over 430 high quality images.

48. DSM-5 Criteria, by American Psychiatric Association -- $69.99

This app for mental health practitioners, researchers and students offers access to vital DSM criteria and includes videos, commentary, and other resources.

49. FRAX, by International Osteoporosis Foundation IOF -- $5.99

The WHO Fracture Risk Assessment Tool (FRAX) offers the medical practitioner a tool to calculate an individual patient’s 10-year probability of an osteoporotic fracture. Osteoporosis management guidelines around the world now increasingly recommend that fracture risk assessment be part of any clinical evaluation to help inform treatment decisions.

50. Heart Failure Trials, by Clinical AppStracts LL -- $2.99

Heart Failure Trials puts you in control of heart failure research with up to date evidence based medicine. Heart Failure Trials was designed and written by David Majure, MD MPH, a heart failure cardiologist trained at the University of California, San Francisco and The Johns Hopkins Hospital, and member of the Heart Failure and Transplant Medicine Education Workforce of the International Society of Heart and Lung Transplantation.

51. Breast Cancer Risk Assessment, by Yeh Tsung Ming -- $2.99

An interactive tool to help estimate a woman's risk of developing breast cancer. This tool is based on a statistical model known as the "Gail model," which is named after Dr. Mitchell Gail, Senior Investigator in the Biostatistics Branch of NCI's Division of Cancer Epidemiology and Genetics.

52. Pocket Anatomy, by Pocket Ananomy -- $14.99

Full 3D male and female body app with more than 100,000 words of anatomical content and 11 layers of musculoskeletal, neurovascular & internal organ content. It has recently added cranial & plantar views.

53. Critical - Medical Guide, by The Barringer Group -- $9.99

A Critical Care, EKG, Drug, ACLS Medical Guide aims to assist by providing crucial medical guidelines, emergency medical references & materials, not only when the situation and details are vital, but also for students and professionals to use as medical reference material when needed.

54. Human Anatomy Atlas, by Visible Body -- $24.99

johnshopkinsappVisible Body is a content and software development firm that produces anatomy and physiology learning products. All anatomical content is reviewed for accuracy by our panel of experts, including physicians and anatomists.

55. MedAbbreviations, by Evan Schoenberg -- $0.99

Over 14,000 medical abbreviations: scrollable, searchable, and bookmarkable.

56. EMS BLS Guide, by Informed Publishing -- $5.99

This app puts critical information at your fingertips with content, illustrations and features. The EMS Field Guide app is available in two editions, BLS and ACLS, each designed specifically to correspond with the respective tier of EMT certification and practice.

57. iCBCT Anatomy, by Marcilan -- $1.99

Cone Beam CT images are typically visualized in the standardized MPR (Multi-Planar Reformatted) mode, which is a post processing technique that reconstructs orthogonal slices (Axial, Coronal & Sagittal) from a 3D volume. The images are presented in the axial, coronal and sagittal orthogonal views respectively.

58. Biostats Calculator, by Sam McCall -- $9.99

Biostats Calculator provides a collection of biostatistical calculations. It is designed to provide access to the most common tests without resorting to a complex desktop statistics package. It also includes a sample size calculator for epidemiological studies, and can measure the utility and power of diagnostic tests.

59. PubMed On Tap, by ReferencesOnTap -- $2.99

PubMed On Tap searches PubMed and PubMed Central to find, display, and import reference information and pdfs of the full article (if you have access privileges). You can search your personal reference library, organize your references in groups (static and smart), and email references from your device to yourself or others in a form suitable for reading or importing into desktop reference management applications.

60. InfantRisk Center Health Care Professional Mobile Resource, by Texas Tech University Health Sciences Center -- $9.99

The InfantRisk Center mobile resource developed by the Texas Tech University Health Sciences Center’s InfantRisk Center gives health care providers access to information about prescription and non-prescription medications and their safety during pregnancy and breastfeeding.

61. Johns Hopkins ABX Guide 2014, by Unbound Medicine -- $29.99

The official Johns Hopkins ABX (Antibiotic) Guide 2014 from Johns Hopkins Medicine features information on the treatment of infectious diseases to help you make decisions at the point of care. This resource organizes details of diagnosis; drug indications, dosing, pharmacokinetics, side effects and interactions; pathogens; management; and vaccines into quick-read entries.

62. Formulary - Student Drug Reference, by MyLabs -- $0.99

Formulary gives you access to quick, accurate and up-to-date information on some of the most commonly prescribed drugs.

63. Anatomy 3D - Organs, by Real Bodywork -- $1.99

osirixIncludes detailed information on the brain, heart, stomach, spleen, pancreas, small intestines, reproductive organs, large intestines, kidneys, liver, skin and lungs. Also learn about cells, tissues and organ systems. Each of the 16 pages includes beautiful diagrams of the organ anatomy, histology and location, along with text, video, audio and 3d models that support easy learning.

64. MedWords Medical Dictionary, by Kavapoint -- $0.99

MedWords provides definitions and synonyms, and other information on over 38,000 entries. There is also a list of common medical prefixes and suffixes.

65. CathSource, by ECGsource -- $3.99

CathSource (from the creators of ECGsource) is an up-to-date medical reference devoted exclusively to cardiac catheterization and angiography.

66. STD 2010, by eNATAL -- $1.99

This app offers an organized version of the CDC STD Treatment Guidelines so that clinicians can find conditions and their treatments. STD2006 also contains a glossary, literature references, as well as the original guidelines and updates in PDF formats.

67. PALS Fast, by Crystal Clear Solutions -- $2.99

This is  a study guide for the pals exam. The tab controller gives one access to the major topics covered in the PALS manual. These topics include the PALS systemic approach to the seriously ill child, age-appropriate vitals, the pediatric arrest algorithm, CPR summary, shock management and diagnosis, a Glascow calculator, the bradycardia and tachycardia algorithm, and the post-resuscitation algorithm.

68. Neuro Toolkit, by Kent Ellington -- $2.99

The app offers commonly used neurology/neurosurgery grading scales and many have a prognosis.

69. Paramedic Review Plus, by Limmer Creative -- $9.99

Paramedic Review Plus provides an exam preparation experience for the paramedic student. The app contains a total of four realistic 100-question simulated NREMT exams plus nine, 25-question topic review quizzes on all of the main paramedic modules.

70. Anesthesia 411, by Crystal Clear Solutions -- $3.99

Anesthesia 411 is a collection of more than 125 of the most common cases seen by an anesthesiologist. This is not a didactic manual that goes over diseases, theory and physiology. Rather, this is a simple guide when one needs information fast. Using a simple format, it will tell you what you need to set up your room in about 60 seconds.

71. 5-Minute Emergency Medicine Consult, by Unbound Medicine -- $99.99

5-Minute Emergency Medicine Consult delivers practical, quick-read information on over 600 medical conditions to mobile devices. 5-Minute Emergency Medicine Consult is organized in a proven outline format so you can easily find answers for urgent care.

72. PSA (Psychological Symptoms Analyzer), by mysteryfiles.nl -- $7.99

PSA is an application that helps you diagnose a mental disorder in a new way. You have to select the symptoms that are present by dragging them to the selection field. When you're done start the analyzer process. This will give you some posible mental disorder diagnoses.

73. iResQ, by William Wingfield -- $9.99

iResQiResQ is a medical reference tool for any critical care provider, flight paramedic or nurse.

74. CABG For Anesthesia, by Matt Vargo -- $2.99

This app covers practice guidelines for anesthesia and coronary artery bypass graft surgery.

75. Anatomy and Physiology 2, by Brandon Campbell -- $0.99

A study guide and test prep application developed by anatomy and physiology students for anatomy and physiology students.

76. MediMath Medical Calculator, by Evan Schoenberg MD -- $4.99

MediMath puts 144 medical calculators and scoring tools on your mobile.

77. Anatomy & Physiology 1, by Brandon Campbell -- $0.99

A study guide and test prep application developed by anatomy and physiology students for anatomy and physiology students.

78. Top 200 Drugs - Quiz & Card, by Rx- Apps -- $1.99

App that aims to help pharmacy, medical, nursing, allied health professionals and students study and retain some of the most frequently used information for the top 200 commonly prescribed medications.

79. Muscle Premium, by Argosy Publishing -- $19.99

A reference app for reviewing muscle and bone details and explaining anatomy to patients.

80. Drip Infusion - IV Drip Rate Calculator & Timer, by iLeave -- $1.99

This app calculates the drip rate by setting the required time and volume of infusion.

81. eSplint, by Charles Perkins -- $0.99

An app that instructs users on how to apply various types of splints created by an emergency nurse for doctors, nurses, techs, interns and medical/nursing students.

82. NOF Clinician's Guide to Prevention and Treatment of Osteoporosis, by The National Osteoporosis Foundation -- $2.99

This app is a standard reference on the prevention, diagnosis and treatment of osteoporosis in postmenopausal women and men age 50 and older in the US.

83. EKG Academy: Electrocardiogram Study Guide, by Peakview Software -- $2.99

Software EKG Academy is a quick reference and interactive study guide for electrocardiogram (EKG or ECG) strips. Over 100 quiz questions are provided, covering both EKG medical background material as well as a "Name That Strip" section to see if you can identify the strip you see.

84. Fast Facts for Critical Care, by Kathy White Learning Software -- $29.99

Fast Facts offers a reference guide app focused on care for the critically ill, and it includes 250 reference illustrations as well as medical infusion tables to help curb medication dosing errors.

85. RealWorld Orthopaedics, by Hyperexis -- $9.99

RealWorld Orthopaedics is a reference guide to the basics of musculoskeletal medicine.

86. palmEM: Emergency Medicine Essentials & Urgent Care Quick Reference Pocket Guide, by PalmER Worldwide -- $15.99

PalmEM is an all-in-one, rapid and succinct, evidence based emergency medicine quick reference. Internal medicine, critical care, family medicine and urgent care clinicians will also find palmEM useful.

87. PT Tools, by David Raney -- $3.99

The primary feature of this application is the "Quick Tools" which contains the following 9 tools: goniometer, video gait/movement analysis, posture camera, inclinometer, repetition counter, stopwatch, timer, metronome, and heart rate monitor (compatible with Polar H7 heart rate sensor).

88. Eponyms, by Ossus  -- $1.99

Eponyms brings a short description of more than 1,700 common and obscure medical eponyms (e.g., Rovsing's sign, Virchow's node) to your iPhone, iPad or iPod touch.

89. Pharmacy Tech, by Ion Citadel -- $4.99

This app is for anyone who wants to pass the PTCB Exams (Pharmacy Technician Exams). Great for Pharmacy Technician students and for Pharmacy Technicians that just want to refine their skills.

90. Pediatric Black Book, by Gibbz -- $4.99

Pediatric Black Book derives from Dr. Ryan Brown’s paper reference guide, entitled "Brown's Little Black Book of Pediatrics." Pediatric Black Book is a clean, powerful app that delivers fast access to practical medical information.

91. RH Medical Labs - Normal labs, now with pediatric and Pregnancy labs in your pocket, by ResidentHelper  -- $2.99This app includes over 600 quality labs, covering adults, pediatrics, and pregnancy-specific labs.

92. Contraception pocketcards, by Borm Bruckmeier -- $0.99

The contraception pocketcard set includes contraceptive information important to physicians practicing in the area of women’s health.

93. ABCs of Medical Management of Stones, by Mission Pharmacal -- $0.99

Company The ABCs of Medical Management of Stones App is an interactive tool designed to help simplify the complexities of managing kidney stone disease. Using a simple, step-by-step approach for the diagnosis and prevention of nephrolithiasis, the App guides you through patient screening and evaluation and provides treatment recommendations based on the consensus of the expert physician authors.

Apple's Top Grossing Medical Apps (filtered for healthcare professional apps only)

1. Epocrates, by Epocrates -- Free, $159.99 annual subscription

More than 1 million active members, including 50 percent of US physicians, rely on Epocrates to enable better patient care by delivering clinical information at the point of care. Features include a provider directory, drug information, drug interaction checker, medical calculators, and medical news.

2. Sanford Guide, by Antimicrobial Therapy, Inc.  -- Free, $29.99 annual subscription

The Sanford Guide to Antimicrobial Therapy is a reference for health care professionals engaged in the treatment of infectious diseases. Subscribe for access to comprehensive, treatment-focused coverage of bacterial, fungal, mycobacterial, parasitic, viral infections, and HIV/AIDS; anti-infective drug information, prevention and useful tables and tools, including activity spectra for antibacterial, antifungal and antiviral agents, and calculators to assist with dosing.

3. Micromedex Drug Reference, by Truven Health Analytics Inc. -- $2.99

Micromedex Drug Reference Essentials provides on-the-go access to drug information at the point of care, backed by "the same thorough, unbiased editorial process as all Micromedex solutions."

4. ASCCP Mobile, by American Society for Colposcopy and Cervical Pathology Inc -- $9.99

The ASCCP has developed a comprehensive, user friendly app for the Updated Consensus Guidelines for Managing Abnormal Cervical Cancer Screening Tests and Cancer Precursors. Each individual recommendation and the algorithms can be viewed following a few keystrokes to enter important patient data.

5. Tarascon Pharmacopedia, by USBMIS, Inc -- $39.99

The Tarascon Pharmacopoeia is a drug reference app containing information on thousands of drugs to help clinicians make better decisions at the point of care. The Tarascon Pharmacopoeia iPhone App is part of the popular Tarascon series which is an imprint of Jones & Bartlett Learning.

6. Certified Registered Nurse Anesthetist Guide, by Valley Anesthesia, Inc. -- $199.99

This study aid uses the MemoryMaster system, a collection of over 4,000 questions and answers designed to facilitate the memorization and understanding of a large body of anesthesia-related facts, concepts, and issues. MemoryMaster content is categorized according to the Content Outline provided by the National Board of Certification and Recertification of Nurse Anesthetists (NBCRNA).

7. 5-Minute Emergency Medical Consult, by Unbound Medicine, Inc. -- $99.99 

5-Minute Emergency Medicine Consult delivers information on over 600 medical conditions to mobile devices. 5-Minute Emergency Medicine Consult is organized in a proven outline format so users can find answers for urgent care.

8. DSM-5 Diagnostic Criteria, by American Psychiatric Association -- $69.99

The DSM-5 Diagnostic Criteria Mobile App provides mental health practitioners, researchers and students fast access to vital DSM criteria and codes so they can fully integrate the new data into their practice and study. Users have complete offline access to all of the criteria sets as well as online access to supporting videos, commentary and resources.

9. iMIMS Australia, by MIMS PTE. LTD. -- Free, $139.99 annual subscription

iMIMS contains a comprehensive list of Australian approved medicines.

10. Essential Anatomy 3, by 3D4Medical.com, LLC -- $24.99

Essential Anatomy 3 represents the latest in groundbreaking 3D technology and innovative design. A cutting edge 3D graphics engine, custom built by 3D4Medical from the ground up, powers a highly-detailed anatomical model and delivers outstanding quality graphics that no other competitor can achieve.

11. Physical Therapist Assistant Content Master, by Scorebuilders -- $29.99

Pocket AnatomyPhysical Therapist Assistant Content Master is designed to assist physical therapist assistants to possess full command of core academic content. Physical Therapist Assistant Content Master is a tool for physical therapist assistant students, recent physical therapist assistant graduates, and licensed physical therapist assistants.

12. Anesthesiology Examination and Board Review, by Usatine Media, LLC -- $89.99

This study guide delivers 1,500 board-style multiple-choice questions with referenced, paragraph-length discussions for each answer.

13. Human Anatomy Atlas - 3D Anatomical Model of the Human Body – Guide for Medical Students & Doctors, by Visible Body -- $24.99

Visible Body is a content and software development firm that produces anatomy and physiology learning products. All anatomical content is reviewed for accuracy by our panel of experts, including physicians and anatomists.

14. VisualDx, by Logical Images -- Free, subscription fee from $129.99 to $299.99

Covering more than 1,300 pediatric and adult conditions represented by over 28,000 images, VisualDx aids in the identification of dermatologic, infectious, genetic, metabolic, nutritional and occupational diseases, benign and malignant growths, drug-induced conditions, and other injuries.

15. HESI Q&A for the NCLEX-RN Exam, by Elsevier -- $24.99

These 600 challenging, critical-thinking style practice questions can be used to create customized quizzes based on six different content areas, so users can practice the questions they need to study most.

16. Anesthesia Comprehensive Review, by Elsevier -- Free, $89.99 subscription fee

This study tool for certification and recertification help users to master anesthesiology. Nearly 1,000 completely updated review questions in mobile format—vetted by Mayo residents—cover the most recent information on all anesthesia subspecialties.

17. IMAIOS e-Anatomy, by IMAIOS -- Free, $89.99 annual subscription

IMAIOS e-Anatomy is an atlas of human anatomy for physicians, radiologists, medical students and radiographers. Users can visualize more than 8,500 medical and anatomical images for free before subscribing and gaining access to our medical labels.

18. Isabel, by Isabel Healthcare -- Free, $119.99 annual subscription

Isabel is a validated medical app that enables you to search for diagnoses by multiple signs and symptoms. It provides iPhone access to the “professional grade” Isabel system covering all ages and over 6,000 diseases that is used by health systems and doctors around the world.

19. Physical Therapy Content Master, by Scorebuilders -- $29.99

Physical Therapy Content Master is designed to assist physical therapists to possess full command of core academic content. Physical Therapy Content Master is intended for physical therapy students, recent physical therapy graduates, and licensed physical therapists.

20. Paramedic Protocol Provider, by Acid Remap LLC -- $9.99

Paramedic Protocol Provider provides quick offline access to over 350 field treatment protocols from the USA, Canada and Ireland.

21. Physician Assistant LANGE Q&A, by gWhiz, LLC -- Free, with extra questions for $49.99 

With questions and detailed answers covering topics included in the PANCE and PANRE exams, this app assists with test preparation for would-be physician assistants.

22. iCoder 2014 Procedures+ICD9+HCPCS, by StarInix Corporation -- $64.99

iCoder 2014 brings you the complete CPT,ICD-9 and HCPCS database for all medical specialties in a simple, fast and easy to use application. Browse codes by category, body areas or guidelines and search by single word, multiple words, fragments or the actual code.

23. Micromedex Drug Interactions, by Truven Health Analytics Inc. -- Free, $2.99 annual subscription

Recovery RecordDrug Interactions is a resource for on-the-go access to clinical reference information, providing users with more informed treatment decisions at the point of care.

24. Critical Care ACLS Guide, by Informed Publishing -- $5.99

The Critical Care ACLS Guide for iPhone & iPod Touch gives the user access to critical information in an app with rich content and detailed illustrations.

25. Johns Hopkins ABX Guide 2014, by Unbound Medicine, Inc, -- $29.99

The official Johns Hopkins ABX (Antibiotic) Guide 2014 from Johns Hopkins Medicine features information on the treatment of infectious diseases to help physicians make decisions at the point of care.

26. Johns Hopkins ABX, HIV, Diabetes Guides with Updates, by Unbound Medicine, Inc. -- Free, $59.99 annual subscription

The official Johns Hopkins Guides deliver authoritative information that is easily accessed, promptly applied, and frequently updated to iOS devices and the web. All three of the guides are updated monthly and arranged in a way that lets clinicians easily browse or search for content.

27. EMT Review Plus, by Limmer Creative -- $9.99

EMT Review Plus 2.0 is a complete revision from our previous versions. EMT Review Plus has been totally redesigned and significantly expanded to provide resources for study and review throughout your class.

28. 2013 EMRA Antibiotic Guide, by Emergency Medicine Residents' Association -- $15.99

This app contains hundreds of lab values organized into 16 classic categories as well as 12 common panels categories with links to Google, Clinilab Navigator, Lab Tests Online, Medline Plus, and WebMD for more information. It also lists thousands of commonly used medical abbreviations and more than 400 prefixes and suffixes.

29. Omnio: Your personalized, all-in-one clinical resource, by Physicians Interactive, Inc. -- Free, with content for purchase

Omnio, formerly SkyScape, lets physicians digitally aggregate journals, news, medical alerts, textbooks, and reference materials into one stream. The app is free to physicians — the company makes money through advertising.

30. Physical Therapy Question of the Day, by Scorebuilders -- $9.99

PT - Question of the Day provides users with a daily opportunity to assess their relative mastery of essential physical therapy content through multiple-choice questions.

31. Recovery Record Clinician (for Eating Disorder Treatment Professionals), by Recovery Record -- Free

MedCalcRecovery Record Clinician is an evidence-based, HIPAA compliant application for eating disorder treatment professionals, helping patients remain engaged between visits and giving clinicians patient data and tools for timely, targeted intervention.

32. Anesthesia Case Tips, by Vargo Anesthesia -- $11.99

This app simply explains to the anesthesia provider how we really manage over 400 cases. Note: Surgical cases vary according to surgeon, facility, and patient. Most of my case tips tell you the summary of the surgical procedure, specific preparation for that case (if needed), anesthetics commonly used, concerns per case, and patient positioning.

33. Lippincott Nursing Drug Handbooks, by Wolters Kluwer Health -- Free, with content for purchase

The free download of the Nursing Drug Handbook app will gives users free access to 25 full drug entries. Once they’ve downloaded the free App, they can access thousands of additional drug entries via an InApp purchase.

34. USMLE Step 1 First Aid Q&A, by gWhiz, LLC -- Free, with content for purchase

This Q&A review study guide for the USMLE Step offers board-style questions and answers, easy-to-navigate, high yield explanations for correct and incorrect answers.

35. Saunders Mobile Review Questions for the NCLEX-RN Exam, by Elsevier -- $29.99

This is an app version of the Saunders Comprehensive Review for the NCLEX-RN Exam, 5th Edition. With 1500 questions that reflect the latest NCLEX test plan, this app features numerous alternate item question formats – including the new video and audio questions.

36. Taber's Medical Dictionary with Updates, by Unbound Medicine, Inc. -- Free, $39.99 annual subscription

Taber’s Medical Dictionary contains over 65,000 terms, 1,200 photos, 32,000 audio pronunciations, 100+ videos, and more than 600 Patient Care Statements. Taber’s goes beyond the in-depth definitions and provides nutrition and alternative therapy, medical abbreviations, symbols and units of measurement, immunization schedules, nursing diagnoses, and updates.

37. Nursing Diagnosis Handbook: Ackley, by Unbound Medicine, Inc. -- Free, $59.99 annual subscription 

Nursing Diagnosis Handbook delivers the information needed to quickly reach an accurate nursing diagnosis and write effective care plans. Users can locate suggested nursing diagnoses for 1,300 signs and symptoms, medical diagnoses, surgeries, and disorders, then link directly to more than 200 detailed sample care plans.

38. 5 Minute Clinical Consult (5MCC) with Bonus Features, by Unbound Medicine, Inc. -- Free, $99.99 annual subscription

The latest update of 5-Minute Clinical Consult (5MCC) helps users diagnose, treat, and follow up on over 900 medical conditions found in everyday practice. Users can search or browse by disease or symptom, then jump to each entry - all without an internet connection.

39. Skyscape Medical Library, by Physicians Interactive -- Free, with content for purchase

The Skyscape Medical Library (SML) app is a decision-support tool for physicians, nurses, students and other Heathcare Professionals. Originally released over 20 years ago, over its lifetime it has been used by more than 2.6 million healthcare professionals (HCPs) to access medical resources.

40. Fast Facts for Critical Care, by Kathy White Learning Systems, Inc. -- $29.99

ASCCP MobileFast Facts offers the most-recent and must-know information on the care of the critically ill. The information is gleaned and condensed from a vast number of professional references and is presented in a concise and compact format. Over 250 color illustrations are offered to convey important facts, principles, and procedures.

41. CNOR Practice Test and Questions, by T&E Solutions LLC -- $9.99

Featuring over 300 practice questions with detailed answer explanations, this app helps with test preparation for the Certified Operating Room Nurse exam.

42. Navigate TestPrep: EMS, by Informed Publishing -- Free, with content for purchase

Navigate TestPrep: EMS for iPhone, iPod Touch, and iPad is designed to help students and professionals prepare for state or national certification exams by providing practice exams and simulated certification exams using case-based questions and detailed rationales.

43. Pill Identifier Pro, by Drugs.com -- $39.99

The comprehensive Pill Identifier Pro app is a searchable database which includes more than 14,000 Rx/OTC medications found in the US. It features “search as you type” functionality and search by imprint, drug name, shape, color and score.

44. Shots Immunizations 2014, by Group on Immunization Education of the Society of Teachers of Family Medicine -- $3.99

SHOTS by STFM is an up-to-date digital immunization reference for clinicians, teachers, and healthcare providers, or for anyone who need quick answers to tough vaccination questions.

45. Pharmacology LANGE Flash Cards, by gWhiz, LLC -- Free, with additional content for purchase

The Pharmacology Lange Flash Cards app is a test preparation tool for the USMLE or pharmacology boards.

46. Micromedex NeoFax Essentials, by Truven Health Analytics Inc. -- Free, with $29.99 annual subscription

NeoFax Essentials is a resource for on-the-go access to evidence-based drug information for neonatal patients. It allows clinicians to make accurate and more informed treatment decisions at the point of care, while minimizing errors in this vulnerable patient population.

47. ADA Oral Pathologist, by American Dental Association -- $59.99

ADA Oral Pathologist is a chair-side reference to oral pathology conditions that can assist dentists with formulating diagnoses. Conditions can be searched by name or by entering clinical observations. The app includes photos and descriptions of the most common oral pathology conditions.

48. PreTest Self Assessment and Review: Pediatrics, Medicine, Psychiatry, Surgery, Neurology, Family Medicine, Emergency Medicine, Obstetrics & Gynecology, Biochemistry & Genetics, Pharmacology, Neuroscience, and Physical Diagnosis, by gWhiz, LLC -- Free, with content for purchase

Infant risk centerThis test preparation app contains questions and detailed answers covering the major topics included in the USMLE and medical boards.

49. Lange Medical Flash Cards - Junqueira’s High Yield Basic Histology, Biochemistry and Genetics, Histology and Cell Biology, Microbiology & Infectious Diseases, Pathology, Pharmacology, by gWhiz, LLC -- Free, with content for purchase

With content derived from McGraw-Hill’s Lange Flash Card series, the app provides a thorough review of each medical topic available in the app’s downloadable library. The free starter pack includes 10 complimentary flash cards in each topic which are expandable to the complete set through in-app purchase.

50. ACCP-SEEK - American College of Chest Physicians, by Amphetamobile -- Free, with content for purchase

With this app, users can challenge their knowledge of pulmonary, critical care, and sleep medicine with case-based questions that enhance problem-solving skills and help prepare for board exams! The first 30 questions are free.

51. ASRA Coags, by American Society of Regional Anesthesia and Pain Medicine -- $3.99

ASRA Coags makes the ASRA Anticoagulation Guideline, a quick and easy reference for physicians. It provides quick access to drug-specific summary information.

52. Davis's Drug Guide with Updates, by Unbound Medicine, Inc. -- Free, with $39.99 subscription fee

Davis’s Drug Guide delivers information on over 5,000 trade name and generic drugs. Each monograph, with its focus on safety, includes details on pharmacokinetics, dosing, side effects, interactions, assessment, and more.

53. Davis's Drug Guide for Nurses, by USBMIS, Inc -- $38.99

Davis’s Drug Guide for Nurses, Thirteenth Edition always puts safety first, emphasizing the information nurses need to know to administer medications competently and safe, across the lifespan. Well-organized monographs for hundreds of generic and thousands of trade name drugs reflect the latest FDA approvals and changes.

54. Resuscitation!, by EM Gladiators LLC -- Free, with content for purchase

Resuscitation! is a very technical medical simulator and is designed mainly for health students and professionals who are interested in learning patient care. It is used by medical schools and residencies across the Unites States and has won multiple innovation awards. Resuscitation! has been played over 1.2 million times.

55. AACN Essentials of Critical-Care Nursing Pocket Handbook, by USBMIS, Inc -- $34.99

Endorsed by the American Association of Critical-Care Nurses, this go-anywhere handbook features tables and figures that encapsulate information for the safe and effective care of critically ill patients.

56. Nursing Essentials, by Informed Publishing -- $5.99

This app provides updated reference information on drugs, infusions, and laboratory values, with information on medications, blood products, calculations, and PO, SQ, IM, IO administration procedures, with a new expanded section on IV administration guidelines. Also featured are fluids, electrolytes, and acid-base imbalances, as well as a new pain assessment chart and Spanish translations.

57. MedCalc Pro, by Mathias Tschopp & Pascal Pfiffner -- $4.99

MedCalc Pro is a medical calculator that gives the user access to complicated medical formulas, scores, scales and classifications. Each entry has been individually designed and optimized for the iPhone screen.

58. Pocket Anatomy, by Pocket Anatomy -- $14.99

FastFactsFull 3D male and female body app with more than 100,000 words of anatomical content and 11 layers of musculoskeletal, neurovascular & internal organ content. It has recently added cranial & plantar views.

59. Muscle Premium, by Visible Body -- $19.99

This app includes highly detailed muscular and skeletal models created by a team of expert medical illustrators with decades of experience in biomedical visualization. These experts work in conjunction with professors and healthcare professionals who review all models and definitions.

60. Pedi STAT, by QxMD Medical Software -- $2.99

Pedi-STAT is a rapid reference for RNs, paramedics, physicians and other healthcare professionals caring for pediatric patients in the emergency or critical care environment.

61. 5 minute Emergency Medicine Consult (4th Edition), by Medical Wizards Corporation -- $99.99

5-Minute Emergency Medicine Consult provides practical information on over 600 clinical problems, organized in a concise, proven, and consistent format. The topics are presented in a fast-access outline format, ideal for on-the-spot consultation on your mobile device.

62. Washington Manual of Medical Therapeutics, by Unbound Medicine, Inc. -- Free, $74.99 subscription

The Washington Manual streamlines diagnosis and treatment recommendations for hundreds of medical conditions on your mobile device without the need for an internet connection. Interns, residents, and medical students can search for answers to medical questions encountered on a regular basis.

63. EMT Tutor, by Code 3 Apps -- $4.99

The EMT tutor is a comprehensive training tool for the EMT Basic, intended for both new students and veteran EMTs looking to stay current in their knowledge.

64. NCLEX Stanford Review RN PN QBank, by Anna Chan -- Free, with content for purchase

NCLEX Stanford Review, by Linda Stanford, RN, MSN, simulates the actual NCLEX-RN and PN examinations. 5,000 questions and answers were written by nurse educators who have written questions for the actual NCLEX examination.

65. Journal Club for iPhone, by Peripheral Brain, LLC -- $2.99

Journal Club for iPhone focuses on the top articles in internal medicine and landmark trials. Written by physicians, these article summaries are distilled into bite-size morsels that clinicians can digest quickly. "Think of it as CliffsNotes for medical research," the app description reads. "We do the hard work summarizing so that you can focus on what's most important: patient care."

66. Lippincott's Prep for NCLEX RN Success, by Wolters Kluwer Health -- Free, with content for purchase

Lippincott’s Prep for NCLEX-RN Success provides access to 5,572 NCLEX questions, to help users prepare for the exam.

67. Diagnosaurus DDx, by Unbound Medicine, Inc. -- Free, with $1.99 subscription

This quick-reference tool helps healthcare professionals perform differential diagnosis at the point of care. With Diagnosaurus, users can quickly search over 1,000 diagnoses by organ system, symptom, or disease, or view all entries.

68. EMT Academy, by Peakview Software LLC -- $4.99

EMT Academy is a complete training guide for EMT-Basic level EMS personnel, written in the style of the NREMT-B certification exam using scenario-based questions based on latest 2013 EMS material. Questions are updated several times a year.

69. Nursing Care Plans 2014, by Anna Chan -- Free, with $4.99 subscription

dietician testNursing Care Plan features over 100 care plans with the nursing diagnoses, interventions and rationales. Nursing Care Plans helps nurses write customized care plans for their patients. It includes care plans for medical-surgical nursing, maternity, pediatrics, and psychiatry.

70. AnatomyMapp, by Books of Discovery -- $19.99

The Trail Guide to the Body musculoskeletal anatomy resource is now available in an interactive app. This tool is beneficial for students and practitioners in manual therapy, physical therapy, athletic training, pilates and other professions that require musculoskeletal anatomy knowledge.

71. Taber's Medical Dictionary 22nd Edition, by Unbound Medicine, Inc. -- $39.99

Taber’s Medical Dictionary now contains over 65,000 terms, 1,200 images, and 120 videos. With brand new content from the 22nd Edition, Taber’s goes beyond in-depth definitions with nutrition and alternative therapy coverage, patient care statements, medical abbreviations, symbols and units of measurement, immunization schedules, nursing diagnoses, audio pronunciations, and more.

72. eMedic, by Iterum, LLC -- $19.99

eMedic is the most popular mobile field guide for first responders, EMTs, paramedics, and other medical professionals. From acronyms to algorithms, anatomical illustrations, emergency reference cards, and medicines, eMedic has more than 1,500 records that are searchable and cross referenced with convenient "see also" links. You can search from the master list or browse by category--the data is available at the tip of your finger.

73. MedCalc, by Mathias Tschopp & Pascal Pfiffner -- $1.99

MedCalc gives the user access to complicated medical formulas, scores, scales and classifications. Each formula has been individually designed and optimized for the small iPhone screen.

74. Registered Dietician Exam, by Med Preps LLC -- Free, with additional content for purchase

This test prep app helps users practice for the Registered Dietitian Exam with its database of 1900+ questions.

75. DrugGuide (Davis’s Drug Guide), by Physicians Interactive, Inc. -- $49.99

Davis's Drug Guide for Nurses (DrugGuide powered by Skyscape) increases its focus on safe practice and effective patient care. This latest version is based on the 13th edition with additional features, enhanced functionality and ongoing content updates.

76. McGraw-Hill TEAS Prep, by EducationApps Limited -- Free, with $9.99 subscription

McGraw-Hill’s TEAS prep app helps users get ready for the Test of Essential Academic Skills. The app includes questions from 5 full-length TEAS practice tests just like the real exam, with answers and complete explanations for every question.

77. Nurse's Pocket Guide - Diagnosis, Prioritized Interventions, and Rationales, by Unbound Medicine, Inc. -- Free, with $39.99 subscription

Make accurate nursing diagnoses and develop effective care plans with this comprehensive app. Each diagnosis listing includes a definition, related factors, defining characteristics, prioritized actions/interventions, NIC/NOC classifications, and documentation guidelines. Or, choose by patient symptom and link directly to associated nursing diagnoses.

78. Taylor's Fundamentals of Nursing 7th Edition Q&A, by Wolters Kluwer Health -- $4.99

STD20107th Edition Q&A allows you to create personalized NCLEX practice quizzes from 922 exam-style questions covering 46 pertinent content areas. Each multiple-choice question includes a rationale to further explain right and wrong answers, helping students grasp complex concepts quickly and retain that knowledge for test day.

79. palmEM: Emergency Medicine Essentials & Urgent Care Quick Reference Pocket Guide, by palmER Worldwide LLC -- $15.99

palmEM is an emergency medicine quick reference. Internal medicine, critical care, family medicine and urgent care clinicians will also find palmEM useful. The app is continually updated and expanded.

80. Lab Values Pro - #1 Rated Medical Reference App, by Hipposoft, LLC -- $2.99

This app contains hundreds of lab values organized into 16 classic categories as well as 12 common panels categories with links to Google, Clinilab Navigator, Lab Tests Online, Medline Plus, and WebMD for more information. It also lists thousands of commonly used medical abbreviations and more than 400 prefixes and suffixes.

81. AACN Bedside, by American Association of Critical-Care Nurses -- Free, but with content for purchase

AACN Bedside connects the user to resources from the American Association of Critical-Care Nurses, including reference tools.

82. Evidence Based Wound Care Guidelines and Fecal Ostomy Best Practices, by Wound, Ostomy and Continence Nurses Society (WOCN) -- $59.99

The Evidence-Based Wound Care Guidelines and Fecal Ostomy Best Practice provides up-to-date recommendations for patients with pressure ulcers, fecal ostomies, lower extremity arterial disease (LEAD), lower extremity neuropathic disease (LEND), and lower extremity venous disease (LEVD).

83. 10-second EM, by EM Gladiators LLC -- $4.99

10 Second EM (Emergency Medicine) is designed for emergency physicians, medical residents, healthcare students and professionals that practice, rotate through or are interested in emergency medicine. It is designed to be a rapid reference tool with on-the-job applicability. It may also be helpful to internal medicine and critical care physicians.

84. Learn Muscles: Anatomy Quiz & Reference, by Real Bodywork -- $2.99

A reference, testing and education tool which includes 141 muscle images with name, action, origin, insertion and comments, plus audio pronunciation guide, a quiz maker, an action viewer and six short videos.

85. Ortho Traumapedia, by HTG LLC -- $9.99

Originally developed by orthopedic surgeons for orthopedic surgeons, practitioners of all levels and specialties who encounter adult skeletal trauma will find Ortho Traumapedia useful as a condensed reference and educational tool. Whether you’re a primary care or emergency physician, physician’s assistant, nurse practitioner, resident or medical student, Ortho Traumapedia provides highly pertinent information regarding skeletal trauma right at your fingertips.

86. CCRN Exam Prep, by Med Prep, LLC -- Free, $19.99 subscription

This test preparation app for the CCRN exam has a database of more than 700 questions that mimic the style and cover the content of real CCRN questions.

87. ACLS Rhythms, by iAnesthesia LLC -- $9.99

Not an ACLS Algorithm app or simulator, instead this app is designed to help users recognize and understand ACLS arrhythmias. Life-like electrocardiograms with pulse oximetry tones, defibrillation noises and monitor alarms add realism.

88. NurseTabs: MedSurg, by AusQuinn, LLC -- $9.99

This application allows novice nurses and nursing students to search for over 340 common diseases and disorders, separated by body system. Once the disease or disorder is selected, the user can access information including a nursing process approach to managing client care.

89. Davis's Drug Guide 2014, by Unbound Medicine, Inc. -- $39.99

The brand new Davis’s Drug Guide 2014 delivers information on over 5,000 trade name and generic drugs. Each monograph, contains everything you need to provide better patient care, including information on dosing and administration, interactions, side effects, and patient teaching.

90. The Merck Manuals - Professional, by Unbound Medicine, Inc. -- Free, with $39.99 annual subscription

This app version of The Merck Manual of Diagnosis and Therapy helps students and healthcare professionals diagnose and treat patients with contributions from more than 300 medical experts in all fields of medicine.

91. Schwartz's Principles of Surgery ABSITE and Board Review, by Usatine Media LLC -- $69.99

Developed by some of the top minds in modern surgery, these board-style questions provide perspectives on surgical practice. Each question is accompanied by answers and comprehension-building rationales.

92. Contineo Connect, by E&M Consulting, Inc. -- Free, but with $69.99 subscription

Contineo Connect is a safe, secure, charge capture app that is designed to accurately record and save charge captures to the physician's device securely. Selection of custom CPT Codes and the full ICD-9 Directory are easily utilized when creating a charge capture.

93. The Prescriber's Guide: Stahl's Essential Psychopharmacology, Fourth Edition -- Cambridge University Press -- $69.99

The Prescriber's Guide combines evidence-based information with clinically informed guidance to support clinicians in making prescribing decisions.

94. Critical - Medical Guide, by The Barringer Group, LLC -- $9.99

A Critical Care, EKG, Drug, ACLS Medical Guide aims to assist by providing crucial medical guidelines, emergency medical references & materials, not only when the situation and details are vital, but also for students and professionals to use as medical reference material when needed.

95. EMT Pass, by Limmer Creative -- Free, with $29.99 full version

EMT PASS is an exam preparation offering test questions and detailed audio rationales created by Bill Brown, former Executive Director of the NREMT. Each audio rationale explains why the answer is correct and why the others aren’t. The audios also contain tips on question interpretation and clinical issues.

96. McGraw Hill's NLN PAX-RN Prep, by EducationApps Limited -- Free, with additional content for purchase

McGraw-Hill’s NLN PAX-RN prep app includes questions from 5 full-length NLN PAX-RN practice tests, with answers and complete explanations for every question.

97. Tarascon Medical Procedures, by USBMIS, Inc -- $19.99

Tarascon Medical Procedures is an evidence-based, point of care reference guide to common ambulatory care and hospital procedures. This app is a resource for the indications, contraindications, necessary equipment, step-by-step technique, fluid analysis, complications and coding for the 45 most commonly performed medical procedures.

98. EMDR for Clinicians Pro, by PsychDataSystems LLC --$19.99

"EMDR For Clinicians PRO" is a clinician-grade EMDR application developed for use on iOS platforms. The application is designed to allow for optimum ergonomics and ease-of-use in real world clinical settings.

99. Washington Manual of Medical Therapeutics, by Physicians Interactive, Inc. -- $64.99

Established for over 65 years as the "bible" of the medical ward, The Washington Manual of Medical Therapeutics is now in its 33rd Edition and builds upon that proud tradition with even more of the current information you need, delivered in a timesaving, quick-reference style.

100. FRAX (Fracture Risk Assessment Tool), by International Osteoporosis Foundation IOF -- $5.99

The WHO Fracture Risk Assessment Tool (FRAX®) offers the medical practitioner a tool to calculate an individual patient’s 10-year probability of an osteoporotic fracture. Osteoporosis management guidelines around the world now increasingly recommend that fracture risk assessment be part of any clinical evaluation to help inform treatment decisions.

101. InfantRisk Center Health Care Professional Mobile Resource, by Texas Tech University Health Sciences Center -- $9.99

The InfantRisk Center mobile resource developed by the Texas Tech University Health Sciences Center’s InfantRisk Center gives health care providers fast, convenient access to up-to-date and evidence-based information about prescription and non-prescription medications and their safety during pregnancy and breastfeeding.

102. OsiriX HD, by Pixmeo SARL -- $29.99

"OsiriX HD" is a DICOM software for iOS: DICOM is the digital standard for storing and transferring medical images. OsiriX HD allows downloading and manipulating series of images directly on the user's iOS device. OsiriX HD is capable of displaying images from all imaging modalities (ultrasound, CT scanner, MRI, PET, etc.) in their native standard DICOM format used by the medical/scientific industry.

103. iOrtho+, by Therapeutic Articulations, LLC -- Free, with content for purchase

iOrtho+ is a mobile and comprehensive reference for orthopedic Special Tests and joint Mobilization Techniques developed from advanced, evidence-based knowledge and extensive clinical practice.

104. Anesthesia Drugs Handbook, by Physicians Interactive, Inc. -- $69.99

This is an app version of Sota Omoigui's Anesthesia Drugs Handbook, a clinical guide to essential anesthesia and critical care drug information.It covers broad range of drugs and the various routes of administration commonly used in anesthetic pharmacology.

105. SagittalMeter, by Jean Charles Le Huec -- $19.99

This tool helps spine surgeons measure the Sagittal Balance, an important factor to take into consideration for all practionnrs treating spine problems and particularly for surgeons during the pre-operative phase. The compensatory mechanisms of a sagittal unbalanced spine may prevent a successful surgery outcome.

106. Tarascon Hospital Medicine, by USBMIS, Inc. -- $19.99

This quick reference provides inpatient clinicians with critical information about the evaluation and management of every common medical disorder encountered in the hospital, including the most common conditions encountered in the ICU. This user-friendly pocketbook is packed with tables and algorithms intended to quickly direct the busy clinician to an evidence-based approach to manage any common medical condition.

107. iResQ, by The ResQ Shop, LLC -- $9.99

This point of care app for paramedics and critical care providers contains a medication details section for every medication, which can be referenced on every screen, a medication search capability for both generic and trade medication names, and a laboratory values screen with explanations of how readings can be abnormal and how that affects the provider's management.

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