Geo Bucket is an universal iPhone and iPad application for Geocaching.
Application shows Geocaches in map for easy locating of caches.
The caches can be downloaded to application via Pocket Queries from the geocaching.comweb site, or you can use the Geocaching Live functionality to get caches directly from the Geocaching.com.
For more detailed information check the GeoBucket help pdf.
Geo Bucket is available in Apple app store for iPhone, iPad and iPod touch.