It is an application that displays temperature, humidity, barometric pressure.
Temperature is compatible with Fahrenheit or Celsius.

[Note]
Unwanted items for display,
I can show or hide the menu → Display settings.
(You can view the display setting screen in screen Press and hold.)

This may or may not be used due to such as updating of the OS.
Difference between the paid version and the Free version is only the presence or absence of advertising.