Navigon just sent word that their turn-by-turn GSP navigation solution, MobileNavigator for iPhone [$69.99 on sale - iTunes link], North American edition is now live in the iTunes App Store.

Previously available in European flavor, the North American edition features the same NAVTEQ maps, Reality View Pro, Lane Assistant Pro, Speed Assistant and Day & Night Mode component, points of interest (POI) along the route, and a host of other features.

Pricing is set at $99 -- on sale for $69 through August 15. So, if you prefer to pay up front rather than entering into a subscription service, and you give MobileNavigator North America a try, let us know how it works for you.