There are also paid apps for offline maps such as TomTom Go, ($19.99 for one year) and CoPilot ($39.99 for iOS offline Europe maps), but the reviews on iTunes and Google Play are mostly bad and don’t seem to justify the price. To learn more about how to use offline maps and how they compare to online maps, click here. The apps require you to download a map and then the app uses GPS, which is available offline, to chart your moves.
There are a growing number of apps offering offline maps.