Auto Brightness On/Off is a free Android application developed by ACTIVE SOFT. As the name suggests, it allows users to toggle the auto brightness feature on their device with just one click. The app is simple and straightforward, with no unnecessary features or complicated settings.

Upon launching the app, users are presented with a single button that turns auto brightness on or off, depending on the current state of the feature. The app then automatically closes, making it a quick and hassle-free way to adjust the brightness of the device.

Overall, Auto Brightness On/Off is an excellent utility tool for users who frequently toggle the auto brightness feature on their device. It is easy to use and does its job efficiently, without any unnecessary bells and whistles.