[iPhone God App] It was found using the Data Usage actually

Take back control of your data usage. It’s time to stop paying overages.
 
• Monitor Mobile Data and Wi-Fi in real time.
• Today Widget
• Predictive forecast tells when you will go over and sets daily quotas.
• Simple and intuitive design reflects current usage status.
• Works with any carrier, any plan, and any billing cycle.
• Set usage alerts.

 
Three things that set us apart:

1. App Badge Monitoring-
• Monitor usage % as app badge without ever opening app again

2. Visual Monitoring-
• Theme colors will change to reflect your current usage status.

3. Accurate History, Export, and Charts-
• Keep your cellular providers in check with the ability to export accurate history of your data usage.

4. Today Widget-
•Monitor Data Usage like a pro with a widget that shows cellular data usage on notification screen under today.


#1 paid utility in UAE & Malaysia; top 10 paid utilities in Canada, U.K., Spain & Hong Kong.

"...to get into the nitty-gritty of your data usage you may want to splurge for Data Usage."    
-AllThingsD

"Data Usage is great for those who run the risk of exceeding their limit. If you fall into that category, Apple’s Settings application no longer makes the cut. That makes it a great buy!"    -148Apps.com
 
Check out Data Usage Pro for custom usage counters and today widget.