iTrail - first proper use of iPhone gps

$4 Application that makes good use of the iPhones GPS.

• Samples at user defined intervals (minimum delta is 10 seconds)
• Allows you to record multiple "tracks"
• Provides feedback on altitude, speed and distance travelled
• integrates with google maps on the iphone to show where you have been
• outputs tracks to google documents in either kml or gpx formats (that you can load up later using google maps or google earth)
• records even when screen has been locked (and works while ipod music is playing)

This is not a navigation app per se - it does not allow you to specify co-ordinates, it's more of a static recording and analysis utility (that you would use to measure your running and cycling performance). Still waiting to see a decent geocaching app.

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http://itrailr.googlepages.com/home](http://itrailr.googlepages.com/home)