What he says is true...but to make it even better...you do not need to get the Garmin or TomTom apps...the IPad maps work just as good...the maps are preloaded and it uses trace wifi connections (does not need to connect to them just triangulate using them) to determine your location and fine tune the AGPS location.
Read up here:
https://discussions.apple.com/thread...art=0&tstart=0