Three Great Utility Apps   My Data Use The most advanced Data Usage App in the store is carrier login free, uber fast and supports advanced statistics and history to put the user firmly in control of their data usage. Details   CallPlanPro for O2 The fastest usage monitor in the App Store just got a whole lot better by supporting Data in 2.0. Details   CallSaver The classic money saving App has been saving thousands of users millions of pounds for over a year. The extensive phone book database empowers users to avoid costly 0845 & 0870 numbers. Details