Vertical Speed Indicator

This application works only with Android devices with integrated barometric sensor (e.g. Pixel phones) and Android version 8.0 (Oreo) or higher. If your device does not have the barometer, Google Play will mark the app as incompatible with your device.

Google Play App page on Google Play

Source code on GitHub

A vertical speed indicator with minimal lag.

Variometer screenshot A Variometer screenshot B

This application estimates vertical speed from barometric and acceleration sensors. More details here.

Supported speed units:

  • meters per second
  • × 100 feet per minute
  • knots (nautical miles per hour)

Calibration

If some device orientations show significant bias in vertical speed estimation, acceleration sensor needs calibration. Calibration data computed by this application is has no effect on other applications on the device.
Variometer screenshot A Variometer screenshot B

Privacy policy

This application does not collect, store, or transmit any data. This application does not make any network connections. The author is not responsible for data collection by Google Play services and other applications.