Sony

This is an app exclusive to the club of Xperia smartphone users. Data Monitor is a very handy app which helps the owners of the phone to keep a watch over their data usage in the most fuss-free manner available. Developed by Sony Mobile Communications, the firm has really created a masterpiece for their own line of smartphones. The application brings in a sophisticated and easy to use interface as Sony knows their mobile ecosystem and hence bring quality to the forefront for their users.