Apple has officially unveiled the new watchOS 9 which brings a bunch of new changes including new watch faces, better sleep tracking, new AFib History along with better metrics for pro athletes.
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Google is rolling out an AFib detector to a variety of Fitbit watches in the United States following necessary approval of the algorithm by the United States Food and Drug Administration.
Apple has announced a new research app for the Apple Watch which will report to users who experience atrial fibrillation. The Apple Heart Study app is available for any users within the U.S.