Use APKPure App
Get Fight Lab - punching bag force old version APK for Android
Put the phone on the bag and start recording your training data
Fight Lab uses your smartphone to detect strikes, strike power much and more.
Secure the phone on the bag and start tracking data from your training.
Fight Lab tracker will provide a detailed statistics with the goal to improve your strike power and condition.
Make your trainings count.
Improve day by day.
Work on different strikes and measure their power.
The app is 100% free.