Pixel OFF Turns Off Pixels to Save Battery on AMOLED Displays
Android: Phones with
The app can disable a grid of pixels of varying density, depending on how much
Pixel OFF also includes Tasker support so, if you don't want to leave it on all the time, you can choose to only enable the grid based on certain Tasker conditions. For example, when your battery life reaches a certain floor, or only when you're away from home.