Originally Posted by
sstorkel
The only thing you have to watch out for is the limited battery life. If you want turn-by-turn guidance or a point-by-point record of the entire trip, then a dedicated GPS device is really the best way to go. When riding, I'd much rather have my Garmin Edge 705 for navigation and data-recording than my iPhone 4...
I've heard there might be a problem with smartphones and water? One thing that's for sure on a long tour is that everything that's not in waterproof panniers is going to get wet some time. How do they do out in the rain?