Apple Maps (Preview) Released
for iOS 6
The main data source is TomTom owning the TeleAtlas Datasets
Official Apple Maps website
* Flyover and turn-by-turn navigation will be available only on iPhone 4S and iPad 2 or later. Cellular data charges may apply.
Source and Reaction:
Would be good to see a web version rather than having to own a Apple device, do no expect an Android version anytime..