Sit ups! Train with your Device! Your personal trainer for free.
The best Sit Up app is coming with its unique design and powerful function.
This is a real personal fitness trainer. This is a cool body builder. Sit ups not only helps counting the number of Sit ups you do, but also calculates the calorie you lose during every excise and makes the training plan based on your daily training and body status.
In training mode, the app will make ...