Slick compass app for Android
Smartphone Application to Aid in Navigation While Driving
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As close as it gets to a real compass
A free program for android
This app shows the status of the GPS satellites, which your phone's GPS reciever sees, as well as some other info like your coordinates, a compass, if the phone has a compass sensor.
GPS Speedometer - this GPS speed application is a free software for iPhone.
A full version program for android
Find your way with this handy compass app