WeeTrackData7 for Notification Center cydia tweak is the easiest tool to keep track of your cellular data usage.
You can access all the necessary statistics about your data transfers right from the iOS 7 Notification Center!
WeeTrackData7 is especially made for customers with limited data volumes, so you can set up a monthly limit and the day of your billing cycle and the App shows you live time statistics about the current month, the last 7 days or the current day in a very simple a beautiful way.
Languages: English, German, Dutch, Spain, French, Hebrew & more soon!
Notice: Notification Center addons can be configured from the Settings app, in the Notification panel