This app logs when the screen of your mobile device is on.
It shows a graphical overview of this data.
It allows to define maximal usage time, after which a warning notification is shown.
![Get an Up-to-the-Minute Data Meter in Your Android's Status Bar [How-To] screenshot 2](https://i.ytimg.com/vi/-UsAz3x57mQ/mqdefault.jpg)
![Track Data Usage on Android with Beautiful Detailed Graphs [How-To] screenshot 5](https://i.ytimg.com/vi/FiDlKFmA-6k/mqdefault.jpg)
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