【實用運動app】Tennis Serve-O-Meter|最夯免費app-綠色工廠好玩App

Tennis Serve-O-Meter allows you to measure your serve speed accurately, by simply getting your serve video recorded by a friend. It allows you to play video in slow motion or frame by frame with user friendly functionality in the custom video player.

This app uses an algorithm that considers air resistance and fall due to gravity to calculate the initial serve speed in the most scientific manner available on the app store.

You may share your the results in your circle.