Hi. Can you tell me if using the sat nav functionality on the in-built maps app on my iphone 5, uses just GPS (hence no cost) or GPS and data roaming, hence a running cost for the extent of my journey?

Hi
As the tile says, I am looking to find out if I need to purchase an actual Sat-nav app or if I can use the inbuilt functionality and not incur additional data charges
Thanks

The built in Maps apps requires a data connection to download mapping data. So, if you want to avoid data costs, you need to purchase a navigation app that stores the data locally on your phone.

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