
Why the applications are pretty good:
- They make use of three different routing modes: auto, pedestrian and adventure.
- Fastest search of any iPhone GPS application. Can search by initials.
- Advanced graphics so as to approximate reality more closely. 6-10 FPS/sec makes for video like navigation.
- The application is designed so that users can explore the iPhone's full potential while using the software.

Check iTunes App Store for more details.