Google is internally testing Google maps for iOS, app is in Alpha stage so we can expect a final release with in one to two months. Apple has been criticized by iOS 6 users due to malfunctioning of its new maps in some parts of the world. Those who do not want to use Apple’s maps can have their alternative to Google Maps web app by bookmarking it on home screen for the time being. (check video guide here)
According to benguild, It’s vector-based. It’s got two-finger rotation to any angle. It’s super fast. 4-inch height of the iPhone 5 is supported!
Source – MacRumors