#1 iPhone app, Backpacker Magazine#1 About.com Winner: Best Outdoor App#1 "Favorite, hands down" -Mac Observer#1 "The software you need!" -Navigadget#1 "My favorite when I go hiking" -Washington Post#1 "Tremendous!" -ComputerWorld The #1 multi-sport application for the iPhone Great for skiing, snowboarding, cycling, hiking, running, paddle boarding, sailing, rowing, flying, geocaching Free downloadable maps worldwide! Including MotionX Road and Terrain maps, and NOAA marine charts Over 5 million users, top rated around the world MOST ACCURATE IPHONE GPS! BEST MAP SELECTION! MAP STORAGE ONBOARD! 300 TRACKS & 2500 WAYPOINTS! FACEBOOK and TWITTER INTEGRATION ADVANCED INTERACTIVE STOPWATCH WITH LIVE VOICE COACHINGContinued use of any GPS service running in the background can significantly decrease battery life.MotionX is committed to constant improvement. We listen to our users and continuously add the most requested features. Thank you for the feedback!