A handy new health and fitness feature comes with watchOS 9 and iOS 16 that’s available both during and after workouts. Follow along for how to see heart rate zones on Apple Watch and iPhone, what they mean, how to see your max heart rate, manually edit your zones, and more.
In watchOS 9, Apple Watch and iPhone automatically creates your five heart rate zones based on the Heart Rate Reserve method. Max and resting values are updated automatically on the first day of each month.
