- display workouts heart rate charts and stats on your Apple Watch or on your iPhone
- compare the intensity of your workouts, track heart rate zone distribution, calories, distance, steps, duration
- completely based on Healthkit, use Vitals or any other Healthkit compatible app while working out
- check your heart rate charts and stats against past and future workouts
- data is not duplicated and nothing ever leaves your device
- find out how much time you spent in the five different HR zones, track how your heart rate stats changes over time
- while exercising, monitor your heart rate zone distribution in real time on your Apple Watch