这是一个专业的应用程序，可以帮助您节省数据使用量。
Data Master is one of the best apps that can help to save your data usage.
FEATURES
* Notification display mobile and WiFi data on notification.
* Data tracker display data of each app when you open it.
* App data usage display data for apps for a period of time.
PERMISSION
* Data Usage monitor your WiFi data usage.
* Read Phone State monitor your mobile data usage.
FEEDBACK
If you have any problem while using the application, please give us some comments
we will check and update as soon as possible.
CONTACT US
Email : feed888999@gmail.com
Thank you very much!