Compass Sensor is a free smart compass app for Android devices that will let you determine the direction you are facing and the degree (azimuth, or degree).

It is a free compass app that does not require an internet connection to function.

It is a free compass app that is based on the device's accelerometer sensor and magnetic sensor.

It will provide you with various information, such as the direction you are facing, the degree (azimuth, or degree), the latitude, the longitude, the elevation, the magnetic field strength, the magnetic heading, the true heading, the angle, the slope, the angle difference, etc.