My Data Manager - Description Take control of your mobile data and save money on your mobile phone bill!
Credit Sesame - Credit Sesame Credit Sesame
NetCounter - NetCounter is a simple network traffic counter for EDGE/3G and Wi-Fi. It shows your data usage.
Call Meter 3G - Call Meter 3G is an app that acts as a monitoring tool for all your calls, messages, and internet data.
Kikoff.com - Build credit for free.
Data Usage - Data Usage Monitor | Your guard against data plan overages.