GeoBeagle is free and doesn't violate geocaching's TOS. PLEASE email if you have problems.
Fix bcache cancel and, compass jitter problems.
Content rating: Low Maturity
Author: Stephen Ng and the GeoBeagle community
Market link: com.google.code.geobeagle
Web site: http://code.google.com/p/geobeagle
Market downloads: 50,000-250,000
Market rating: 4.2 / 5.0