Barometer Altimeter Variometer

You are about to download the most accurate, sensitive and responsive altimeter app ever. Making use of barometric pressure, the app is sensitive to changes in altitude of a few centimeters, even indoors. With altitude calibration, this altimeter is many folds more accurate than GPS altitude.

Features:
-Pressure
-Altitude
-Velocity Velocity
-Altitude profile at 15 seconds interval
-Metric and Imperial units