c:geo is an open source, full-featured, always ready-to-go unofficial client for geocaching.com and offers basic support for other geocaching platforms (such as Opencaching).
Free • Open Source
What is c:geo?
c:geo is simple yet powerful unofficial geocaching client for Android devices. In contrast with other similar applications, c:geo doesn't require web browser nor exports. You can just go geocaching with your phone and without any home preparation or worries. Of course, you can go without paying - it's free.