Altimeter 13 turns your device into an accurate altitude meter. This tool takes advantage of the built in GPS to give you the precise elevation above the sea level. - Real time display altitude/elevation in both Analog and Digital modes, along with accuracy information- Show current GPS longitude and latitude- Show current location based on GPS information (or from the nearest Wifi station)- Support two most common units: meter (m) and foot (ft)- Run natively, beautifully on all iOS devices.