PushFit Pro funktioniert nicht

PushFit Pro allows you to visualize workout history and patterns with graphs and calendars.  As you do push-ups, the proximity sensor in your device will automatically count and record your push-up reps.  PushFit Pro is a simplistic push-up counter and tracker.  PushFit Pro allows you to workout at home, at the gym, or anywhere!  Start your workout by placing your device on the ground under your chest.  The push-up is the perfect workout.  PushFit is perfect for anyone trying to increase strength or endurance.  It’s simple, functional, and can be modified for any fitness level.  PushFit Pro can easily be added to any workout routine. - Compete with friends and family on Game Center leaderboards. - Lifetime record of push-ups, push-up sets, and workouts.