Vertical Speed Indicator

This application works only with Android devices with integrated barometric sensor and Android version 4.3 or higher (i.e. Google Nexus 6, Google Pixel). 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 software variometer.

Variometer screenshot

On this screenshot, the indicated rate of descent is 1.6 m/s.

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

Supported speed units:

  • m/s
  • knots
  • 100 ft/min