*This paid version has more accurate calculation
*Support global competition.
*Support every day fitness.
You can also play with your friends. If you have strong arms, this is a must have APP on your device. 50% off only for this week. Great value, buy it now. Losing weight will be fun and easy when you have this creative App.
This App can calculate how much energy burned while you shake your device. (assuming a body weight of 70 kg).
Using this application can cause pain in your arm. Consult your doctor before you use it. You will use this App on your own responsibility.