Cardio Zones.

Take your Apple Watch (leave your iPhone at home), bluetooth headphones, go for a run, walk, cycle, spin (Schwinn bikes), gym, swim, row, .... - Use the voice assistant to regulate and keep your heart rate within target zones during workouts - View cumulative graphs for time spent in heart rate zones for workouts, even for any workout recorded by other apps and stored in Apple Health - Rate your fitness level, and recovery heart rate (Superior, Excellent, Good, Fair, Poor) - Measure your Restin...