Meaning I want to have all the map data downloaded to the device. I have a road trip this summer and will be outside of 3G range for half the trip. I don't want to lose my GPS driving data just because I don't have a constant connection. I was looking at MotionX GPS drive but it requires a connection.
I already have a tomtom device but it's not as reliable as I would like.
I already have a tomtom device but it's not as reliable as I would like.