Marine compass : in all positions this compass remains parallel to the floor ! This app has support for 3D themes meaning that you can select another kind o style of compass, including other interesting objects such as the aiming cube or the XYZ arrows. Marine Compass can also display your location using GPS. In that case latitude and longitude will be displayed under the heading display. It is also possible to extend Marine Compass with the optional augmented reality plugin, which will display the camera preview under the compass.. This compass app has no ad and does not require permission except LOCATION for the GPS feature. Enjoy ! Note: accuracy depends on the hardware, please use a calibration tool designed for your device whenever the displayed direction seems wrong or not accurate.