Altimeter

Changes 4.47 : v.2.03. This update is required in order to get altitude values from the United States Geologic Survey which has ported its altitude service to the National Map. For contiguous USA and Americas only.
v.1.50. Pressure Altitude for compatible devices
v.1.21. This update is required in order to get Land Survey Data outside the Americas for both the Altimeter and the maps using the Mapquest Elevation Service.
v.1.13. Added Maps. Get elevation values from map. Includes ocean depth values.

APK Description:

DS Altimeter is an animated real-time elevation meter. Supported devices will also be able to show barometric data. Configuration options allow you to choose your source for elevation data including GPS Satellite based altitude or location based elevation from the United States Geologic Survey and Mapquest. USGS data is available only for customers in the contiguous United States, Canada and Mexico.

Screenshots: