Navigational Compass Sensor with 360 Degree and 6400 NATO mil compass rose. Key Features: * Easy-to-use design of Navigational Compass Sensor with 360 Degree and 6400 NATO mil compass rose free app * Smooth and realistic compass rotation makes best compass app for directions. * compass degree Readings are sampled compass for android. * No internet connection required best compass offline with magnetic sensor How It Works * The digital compass app works by using the compass sensor on your phone