Turn your iPhone into a powerful tool for measuring your serve speed! The most accurate serve speed App on the market.
It uses advanced algorithms to calculate the speed. The calculation is based on the position from where the ball was hit 'till its landing location inside the service box. Holding in account the player's height and most important the travel time of the ball. Taking advantage of the iPhone's great camera, this App allows you to record your serve at 60 fps (frames per second) that provides the best precision possibly out there! The speed can be calculated in both Mph and Km/h.