Spin Counter is a utility tool to find the rotation count fast and easy. This app uses magnetic sensor to get compass orientation data and calculate spin count. Features: • 3D compass shows current orientation. • Toggle Tap to start or stop record compass orientation data. • Save Rotation Data Image into camera roll. • Copy Rotation Data to Clipboard for advance operation. • Show Total rotations in seconds. • Show average, fastest and slowest rotation speed in second and RPM. Sample Rotation Data: [253.035686492919922, 250.90165710449219, ... , 180.697193145751953] These are the raw data from device magnetic sensor with each value 0.01 sec interval, meaning that it took 0.01 seconds from angle 253.035686492919922 to 250.90165710449219. Example Usage: - Count Ballet Dancer Spin with the device in a pocket. - Count Skating spins with the device in a pocket. - Count fun fair spinning ride speed. - Any sport activity involving circular motion, such as car drifting etc. - And anything base on your imagination. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.