TomTom has TomTom U.S.A (iTunes Link) in the iTunes App Store for $49.99 for a limited time. This deal also entitles you to a FREE update to the new version as soon as its available! Version 1.3 will be available as soon as it passes through the App Store vetting process.

The TomTom app turns your iPhone 3G and 3GS in to a full on TomTom GPS unit. It comes with US Maps and features spoken city and street names, advanced lane guidance, TomTom IQ Routes Technology, music controls, full contacts interaction, and a large point of interest database. iPhone 2G and iPod Touch requires a separate hardware add-on.

TomTom also has the TomTom U.S. & Canada (iTunes Link) in the iTunes App Store for $69.99 (99.99 – 30%) for a limited time. This app includes both US and Canada maps and is also entitled for a FREE update to V1.3 when it makes it into the iTunes App Store.