Are you having trouble checking the upper limit of the carrier's data volume?
This app is an app that solves such troubles.

To solve this problem, you can check the traffic of Wi-Fi and mobile line.
We will notify you when you reach the carrier limit.

You can also do the following:

・ Display of Wi-Fi and mobile line traffic
・ Graph display of communication status of this month
・ Set upper limit according to each carrier.
・ Graph display of communication charges for each app