WatchOS

Jeff Williams shows off the Apple Watch ECG in September.
By Jonah Comstock November 29, 2018
Apple made big waves at its last September special event by announcing — concurrent with FDA's announcement of its clearance — an ECG reader built into the Apple Watch Series 4. Now, according to a leaked training document obtained by MacRumors, that feature is set to go live in the next WatchOS update, version 5.1.2, due out before the year's end. While the Watch itself has been on sale since...
By Jonah Comstock June 17, 2016
At its World Wide Developers Conference this week, Apple introduced several updates to the health and fitness features on the Apple Watch that will come with the launch of the new WatchOS: a new emergency alert feature called SOS, some updates to the device's Activity app, and a new meditation app called Breathe. Breathe is an app that walks users through short deep-breathing exercises. Users can...