Replaces a garmin handheld unit!
This is a great little app. I was looking for something to bring with me on a trip to costa rica, and was considering getting a garmin, but honestly this thing seems to do a better job from what ive seen so far. The built in gps on iphones is already really good, plus you have the really nice touch interface compared to garmins crappy one. Worth the 8 bucks for sure.
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GPS Tracks