DataMan 2.0 is now available in the App Store :)
Even better monitoring. The new DataMan makes background geotag and location services optional. This will satisfy users who want to save every tiny bit of battery power. Plus, a new great way to view your usage everyday. Now you can see your daily usage pattern. The new DataMan supports iPhone 4, 3GS and 3G.
If you are on a limited data plan, then you need DataMan to prevent additional charges to your bill. DataMan is the only data usage manager that does real time monitoring, geotagging and notifications.
Get and update your DataMan.