AltiBaro: Altimeter Barometer

AltiBaro shows your altitude and the air pressure using your phone's built-in pressure sensor (barometer).

How it works
- Altitude is calculated from air pressure with the standard-atmosphere formula and a sea-level pressure that you can set.
- On phones without a pressure sensor, altitude comes from GPS instead, and the pressure figure is estimated from that altitude. The app shows which source it is using.
- Latitude and longitude are shown when location is available.

Readings
- Altitude in metres, feet, kilometres or miles.
- Pressure in hPa, kPa, Pa, bar, atm, psi, mmHg or inHg, on a dial and as a number.
- Save a reading with the time and your location, and add a photo from the camera if you like.

History
- Your saved readings, newest first, each with its photo, altitude, pressure and time.
- Open a reading to see the details, share it as text with its photo, or delete it.

Settings
- Sea-level pressure (P0) in hPa, default units for altitude and pressure, and dark theme.

Good to know
- Barometric altitude changes with the weather. For a closer reading, set the sea-level pressure to your local value, for example from a weather report, before you start.
- GPS altitude is usually less precise than GPS position and needs a clear view of the sky.
- AltiBaro is for general outdoor use such as hiking. It is not an aviation or navigation instrument.
- Readings work without an internet connection. No account is needed; saved readings stay on your device.

Recent changes:
Rebuilt with a cleaner, matte design. Readings now clearly show whether altitude comes from the barometer or a GPS fallback, and each saved reading keeps its photo, location and time in History.