The TomTom app for the iPhone 3G and iPhone 3GS has gone on sale [iTunes link] through the App Store, with versions for the US and Canada, UK and Ireland, Western Europe, Australia and New Zealand all available to download. Prices range from around $74 for the Australian mapping to $132 for the Western Europe setup; that doesn’t include the nifty in-car dock which has a separate GPS receiver and hands-free kit integrated.