cfd225ExplorerMay 10, 2015Phone as gpsI am looking for an app that we can use as out gps. I want to put in the truck and trailer combo so it does not send us down roads we would not fit. I know there are units we can get, was wondering...Show More
Big_KatunaExplorer IIMay 10, 2015iPhones have GPS chips and DO NOT need cell towers. I have never noticed much data usage but haven't used it on a coast to coast trip. I have Co Pilot which let's you configure your height but use either Apple or Google maps almost always. As far as battery usage I plug it in.
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