Simple BPM Detector - Privacy Policy This application needs access to the microphone in order to work, it will access and listen to the microphone only when the app is open and the UI visible. The sound is processed in real time and never saved anywhere. The application also collects _anonymous_ records of the user's interactions, this is done for the sole purpose of improving the app. The data is collected via Google Firebase analytics and it doesn't contain any information about the user.