MyMobileDataUsage

This app's widget shows your device's mobile data usage at Home screen.
You can select calculation unit from 3 ways(Monthly, Weekly, Daily).
Widget will be updated every 30 mins(approximate), so if you want to check for now, tap widget.

In order to retrieve usage from OS, app requires a following Permission.
・Special app access(Usage access)
Devices with OS lower than Pie need extra Permission.
・Phone Permission

These permissions are only used for retrieving mobile data usage. Retrieved data will be never send to anywhere, and never saved.