With this app, you can see your altitude and the pressure. System Requirements: Built-in Barometer Sensor to get the required data.
Tsiantakis Apps is the developer of the app which can be found in the Tools category. Over 1K users set up Barometer Sensor and the most recent update was released on Aug 5, 2018. On Google Play, this application was rated 3.3 by its users.
It's free of charge to download the installation package of Barometer Sensor, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and higher. It's secure to download the app.