According to the Marketplace, Turn by Turn Navigation boasts the following features:
- Voice-Guided turn by turn Navigation with premium audio quality
- Full detailed Navteq Maps
- Automatic Map rotation according to your heading
- POI and address search
- Add POI-s or locations to Favorites
- Route calculation based on Time or Distance
- Supporting Portrait and Landscape mode
- Automatic re-routing if you miss a turn
- Speed dependent Volume control
- Driving and Walking directions
- US and Metric units are supported
- Itinerary (turn list for planned routes)
- Avoid Highway/Toll roads option
Since Turn by Turn is sold by country, it is a more cost and space effective option when compared to its offline navigation competitor, Navigon, particularly if you do not need all of Europe.
If you're not sure if this app is right for you but your interests have been peaked, GPS Tuner offers a free 24-hour trial of the app for one region so you can check it out and decide for yourself.