Originally Posted by Lewis
My guess is it has something to do with the iOS update, since iOS 6 now uses a proprietary Apple mapping software instead of the Google Maps app like iOS 5 used. So if that confuses the PDGA app, it probably goes to Safari as a backup. Or maybe the PDGA app detects iOS version and uses Safari for iOS 6, since it's not yet ready for the Apple mapping software.
Yeah you're correct it has everything to do with the software update.