Dead Pixel Test

Check your phone screen, detect dead pixels and defects!

"Dead" pixels are faulty pixels that do not perform as expected. Variations of dead pixels: dark dot, bright dot and partial sub-pixel defects.

This app has been developed to check the screen of your smartphone and detect if there are dead pixels.

It offers an experience where you can see all colors, test them in square areas, check them with vertical and horizontal lines.

Test if the basic colors - Black, White, Red, Green and Blue - are accurate on your phone screen.

The simple and user-friendly interface makes it easy to test your smartphone screen.

Rate it 5 stars and share it with all your loved ones so the app can improve. We wish you a good time.