Groundspeak’s Geocaching iPhone Application provides real-time, direct access to Geocaching.com‘s database of worldwide geocaches! The application turns your iPhone into a geocaching device and is ideal when you want to do some unplanned caching. The app can also be used alongside your current GPS, allowing you to see cache details, hints, logs, photos and more!
The premium Geocaching iPhone Application has an incredible number of features that make it simple to geocache in the field. Groundspeak also offers a free Geocaching Intro Application, which walks users through a tutorial of how to find their first few caches.
Find out more at http://www.geocaching.com/iPhone