Originally Posted by Jeff_DML
tomtom app? no you dont need it, you actually have to buy it separately. They offer a free app that gives you some info and supposed to get rid of the unsupported accessory message, doesnt seem to work on my iphone4
So my iphone 4 plus harrys app and the Tom Tom gps unit and I should be good to go? Sorry for sounding like a dope but I only want to buy what is necessary.