It varies widely...
by John.Wilkinson - 12/18/06 2:51 PM
In Reply to: GPS Map updates by crnmail
Take Mapopolis (my preferred mapping software), for instance. For $100 you can purchase an SD memory card containing the current maps for the entire US. (The mapping software itself is free.) For one year from that date you may go to their website and download the latest version of any county map(s) you like free of charge. It is important to note, though, that Mapopolis updates each county map individually and at no specified schedule. Thus:
* There is no guarantee that the maps will be updated for any given area.
* You will not be notified that there are updates.
* You will have to download each updated county map individually.
Navteq, another major offering, releases one update for the entire US each year, which you must pay $99 for. As far as I know they offer no 'grace period,' so if you purchase their software and maps today and on January 30th they release the next version of their maps you would have to pay the $99 for the update. While they will notify you when the next version is available they will not specify whether or not any of the updates impact your area.
With TomTom, if you buy Navigator 6 you are eligible for free downloadable updates for that version, ie 6.1, 6.2, etc. However, if you want map updates you must check for updates for that particular region and then purchase them.
Also note that when we speak of "updates" for maps, it's not just like a definition file you download for your antivirus software...you must download the entire cluster of updated maps, not just a small add-on file.
* Updates usually come out just once a year.
* You will usually have to pay full price for them.
* You must download the entire maps, not just small updates.
* There are no guarantees that a new road in your town will appear in the next version of the maps.
* No map is perfect.
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