Keep track of all your time under tension workouts right on your wrist. No need to jump back and forth from your phone to your watch as you work out. Muskle is a full featured workout tracking watch app. 

- Create as many time under tension workouts as you want. Set the tempo of each extension and contraction part of the exercise.

- Muskle automatically keeps track of your reps as you do them.

- Set goals that automatically increase the weight and reps as you continually push for higher achievements and gain more muscle.

- Never lose your data as it is continuously saved to your iCloud account.

- Integrates with the Apple Health app to log your exercise.