48,455,599 reps so far!
The apps use the devices’s motion-detection to record your reps, helping you improve your fitness and battle others across the internet.
For the apps to work, you need to attach the device properly to your body (see Straps and Attaching the iPhone). Once attached, select your battle/exercise and follow the steps below.
2. Press start
Stay still for 3 seconds for the app to settle
