Barograph

Graph the Atmospheric pressure, mean-sea-level barometric pressure, the elevation.
You can see the change in atmospheric pressure visually.

In addition, you can see also minimum and maximum an atmospheric pressure values of the past 24 hours.

These values to View the value measured by the smartphone of the sensor. You can understand the Atmospheric pressure of your space.

Home screen by placing a widget of this app, you can see the atmospheric pressure, which was measured at any time.