This application can be used to log HR and other raw biosignals from the Polar H10, OH1 and Verity Sense -sensors. It uses Polar SDK (https://www.polar.com/en/developers/sdk) to connect sensors. One of the application's core feature is to save received sensor data to files on device, that can be then later accessed eg. via PC. User can also share saved files to eg. Google Drive or email them. Verity Sense: - HR, PPi, Accelerometer, Gyro, Magnetometer and PPG OH1: - HR, PPi, Accelerometer and