Pitch-Speed is used to determine the pitching speed for both baseball and softball. Configurable to the most common distances for different age/skill levels. Just press the button when the ball is pitched, and release the button when the ball is caught. Accurate to 1/10 MPH. Also keeps track of pitch count and average pitch speed. Accuracy of the app is dependent on the users ability to press and release the button at the right time, which can take some practice.