Compass Pro is the most precise compass app available. It supports magnetic and true north calculated using network location or GPS coordinates. Furthermore this compass displays the location coordinates and the strength of the magnetic field to see if it interferes with the compass sensor. It supports high definition displays and can be installed on the SDCard. Download the best available compass!
GPS and network location:
Needed to calculate true north.
Needed for completely anonymous usage statistics. Usage statistics can be disabled in the settings of Compass.