Yes, there is. The application updates maps frequently, calculates the approximate time needed to reach the destination, frequent traffic updates, and speed cameras. The application is not free and must be bought from a store, or online.
One of the best GPS apps for the iPhone 5 is the TomTom GPS app.
Some of the newer TomTom gps systems include Urban Rider, Start, Start2, Via 110, Via 120, Via 125, and Go 1005 live. For iPhone, there is TomTom app for iPhone and TomTom car kit for iPhone.
TomTom app
with this: http://www.amazon.com/Tom-iPod-Connect-Cable-Audio/dp/B000FEKEN4 You can route your audio out from your iPod to your TomTom. Personally, I'd just use it as an iPod, I'd rather put them all on my TomTom as well as my iPod; it saves money. You can also use the TomTom Car Kit: http://www.theiphoneblog.com/2009/08/17/tomtom-car-kit-compatible-ipod-touch-gps-apps/ It's a GPS antenna that uses the TomTom GPS App for your iPod Touch/iPhone to put a map on the iPod display. You can also use other apps.
No, but the latest iPhone does...
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tomtom is the best GPS brand. tomtom is pretty dam strong and is stronger than most other GPS's out there
A Tomtom antenna is an external unit to be used with Tomtom GPS navigational units to give a wider range for your GPS needs.
You would be able to purchase tomtom GPS antennas at radio shack, best buy, target and other electronic stores. You may also be able to find a tomtom GPS antenna at www.amazon.com/tomtom
I would say yes that you probably do need a TomTom receiver with every TomTom GPS, however to be sure i would maybe go to the TomTom's website and see what it says.
The tomtom gps has been around longer. However, they are both reliable gps systems.
Yes TomTom does sell mapping software for their GPS units. Most of the new GPS systems come with a cable that you will link to your computer to update the maps and features of your TomTom.