Altimeter-Measuring tool

Altimeter is a tool that contains functions such as location, GPS, altitude, atmospheric pressure, weather, directions, and other function such as watermarking camera, which adds watermark in the picture information for obtaining evidence and record expediently. This application is useful for people who are travelling or on the way to work to record geographic information.
The main functions:
-Map with the function of location
-Real-time altitude
-Real-time movement speed
-Weather information
-Compass
-GPS
-Real-time atmospheric pressure (iPhone 6 or later is demanded).
-Add watermarks as you like
-Choose the measurement unit in the way you want
-Statistical pressure changed trend