One thing to consider is the wifi only version of the iPad mini doesn't have a GPS receiver. It can moderately tell your position when connected to the internet but not very accurately. My app navigon lets you download maps of the entire country offline so no need to be connected to the internet for mapping but unless you have the cellular model it won't track your location. They do make Bluetooth gps modules that will do the job but that's just one more additional device to have to figure out where to mount and keep charged or powered.
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