Compass3D uses a visual representation of your phones internal sensors. Magnetic sensor is used for compass function, the accelometers are used to support the 3D view. View angle of the compass can be changed in a 3D view. Never worry if North heading is related to the top or the back of your Phone. This App is sponsored by Inner-Active. Please visit the sponsors V184.108.40.206 update: Graphical improvement to the compass. Setting items removed from main page to settings page. V220.127.116.11 update: Phone orientation settings extended with Roll to the excisting Pitch. Upsidedown display now supported. V18.104.22.168 update: Camera Sensor added. V22.214.171.124 update: Increased graphical speed.