Watch Tuner!

Watch Tuner is a mechanical and automatic watch testing application designed to measure following parameters:- rate- beat error- amplitude- beats per hourThe application uses the build-in or headset microphone to record audible ticks of the watch. You can measure now with your iPhone the quality and stability of the rate accuracy, amplitude and beat error of mechanical watch movements. If you need frequency diagram look at Watch Tuner Timegrapher - the most sophisticated app of Watch Tuner series.