Turn your phone into a real working aircraft altimeter.
* Touch and drag to set reference pressure.
* Altitude in metres or feet.
* Pressure in hPa, mbar, or inHg.
* Easy to use.
* No ads.
This app is only available for devices with a built-in barometric sensor.
This is not an approved aircraft instrument. This software program can not take the place of an approved and properly calibrated aircraft altimeter. For education purposes only.
This altimeter will not work inside a pressurised cabin, like those found on an airliner.
There is a version with automatic calibration available here:
https://play.google.com/store/apps/details?id=st.crosscheck.realaltimeterplus (free, ads)
https://play.google.com/store/apps/details?id=st.crosscheck.app_donate (no ads, donation)