Exactly
So whats the battery life? My phone also has real GPS but it's battery will be dead in 3 hours os its relegated to in car duties
Given a choice, I would much prefer to rely on a good map and myself..
Although maps are great, you can hardly hang one on your keys that covers pretty much everywhere like this would. it also functions as a digi compass and I expect is the size of a largish one so you gain a lot of function without adding too much bulk.