Punches|運動線上App不用買-HotApp4Game

Wanna know your punching power?Now you can get not only the power, but also speed, acceleration, time, length and 100-point rating of punch.To take a punch, hold iPhone in your hand and punch. The app records a punch motion at the inertial frame of reference using gyroscope and accelerometer data and saves the record.Then you get a graph of speed changing and another punch rates. It is possible to match punches and find out which one is faster or stronger.You can share punches with your friends via the app and find out who’s the champion.Use #mypunches hashtag in social networks to share your progress or find others.You can choose units: kilograms or pounds, kilometers per hour or meters per second.Different kinds of punch are acceptable: jab, cross, hook, uppercut or your own technique.Technical data:On iPhone 4S application runs but can’t work properly. Speed of your punches will be more than two times lower. App works perfectly on iPhone 5, iPhone 5s, iPhone 6 and iPhone 6 Plus.But it may be not easy to hold iPhone 6 Plus when you punch.Speed measurement error is about 5% when speed is less than 10 mps.Maximum acceleration is about 16g.Force is calculated approximately with your active mass rate.Distance is calculated with small deviation about 5% when you punch at the air.Time accuracy is limited to 10ms.Warning! Use this app at your own risk. Developers don’t take any responsibilities.Hold your iPhone strong enough and be careful!