Would you like to know your current altitude? With the "Altimeter" app, your iPhone is transformed for you once again. It'll show you your altitude in meters or feet, and the precision of the reading. Further information: - Altitude display (feet or meters) + precision display - Latitude display - Longitude display - GPS precision display - Deactivation of the auto standby The application only works outside and its precision depends on the number of satellites your iPhone 3G can see.