We have been researching different tracking apps to be used in the prototype:
MotionX GPS for iPhone $1.99
Outputs in .gpx and .kmz
Share tracks by email (one button click)
Has live updates to email/twitter/facebook
Cycle log for iPhone $0.99
Outputs in .gpx and .tcx
Share tracks by email
RunKeeper for Android and iPhone $0
Outputs in .gpx and Google Earth (.kml)
Share tracks through website
MobileLogger for iPhone $0
Outputs in .csv
Share tracks by email
