Pretty sure Google have already announced they'll release an iOS version of maps. That said it can't come soon enough. I've no idea how they've defined POIs on Apple's maps but they need to go back to the drawing board. Where I live there's a pedestrian zone which Apple say has a gas station in it. Worse is the gas station they say is in the middle of a heavily wooded park (neither of these are there obviously). Whilst I appreciate things can't be perfect, this is so far from perfect and has been since beta phases that I just think Apple is continuing their beta testing using all of us as testers.

The Google Maps app can't come soon enough; I'm only glad that I have TomTom and my car's built-in navigation to fall back on because I have no faith in the software Apple built.