It works well in urban areas, where wi-fi is (or should be) readily available. Out in the woods, not so much. However, you can still put your zip code in (while on wi-fi) get all the caches in your area, then save them. Once you're out on the trail, use your GPS to get to the cache. If you need hints, log description, etc, bring up the cache in the "saved caches" tap on the Touch. If you're in a wi-fi area you can log the caches as you go, via Safari.