Navigon is a complete navigation system for iPhone designed with tons of additional functions to facilitate travel. There are day and night modes, 2D and 3D maps, route planning, intelligent address search and real road signs graphics.
Basically, this application has everything for navigation in the United States, Canada, Europe etc. It also offers a set of optional add-ons to improve the experience and coordinate the entry for a more out-of-network navigation. However, this full set of functions has a price, so this application is not for those who are looking for a free option, but rather a professional navigation tool. Derlo payment: Navigon