Mobile data OnOff is a free utility tool developed by ACTIVE SOFT. It is designed to enable users to easily turn on and off mobile data with just a single tap. The app is only available on Android platforms, but it is not supported for Android 5 or above.

The app has a simple and user-friendly interface that allows users to quickly activate and deactivate mobile data without going through the phone's settings. Additionally, it consumes very little battery, making it a useful tool for users who want to save battery life. Overall, Mobile data OnOff is a useful and effective app that can help users manage their mobile data usage with ease.