IOS 6 Beta 3 maps is probably the problem makes people fear the most when upgrading IOS 6 . Do not use Google Maps, the map data on the Apple operating system becomes a serious shortage, not just the ability to lead the way but more importantly, the removal of Google Maps API also makes programs no longer use it works well again.
IOS 6 Beta 3 maps preview
Fortunately, Apple has gradually solve this problem by upgrading to their maps much more detail through each beta. After almost empty Beta 1, Beta 2 started with the important place it iOS 6 beta has a lot more complete, the map, the alley in more detail. Here are some pictures comparing the difference between iOS6 beta 2 and beta 3. Hopefully after six official IOS will complete maps like Google Maps, especially under the support of TomTom Maps and Bing Maps OpenStreet as some earlier rumors.