xGPS

xGPS is a free project aiming to bring powerful and easy to use navigation software to the iPhone and iPod Touch. xGPS has many powerful features including: turn-by-turn directions, vocal instructions, offline maps support and more. A utility called xGPS Manager can be used to download maps on to your computer, and upload them wirelessly to your iPod Touch or iPhone. xGPS currently uses Google Maps for maps and the routing data, meaning xGPS will work wherever there is Google Maps support.

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