Screen Tester is described as 'Each slide will show an image that makes any dead/stuck pixels, discoloration, scratches, and dust more visible so you know what you might have to fix on your device. (Android 1.5 to 2.2)'. There are eight alternatives to Screen Tester for a variety of platforms, including Windows, Linux, Online / Web-based, BSD and SDL. The best alternative is InjuredPixels, which is both free and Open Source. Other great apps like Screen Tester are Monteon (Free), Nokia Monitor Test (Free), Auditor of dead pixel (Free Personal) and Screentest (Free, Open Source).
Easily check your PC, laptop, tablet, smartphone, connected screen or TV for dead pixels, scratches or defects. Test in the store, before buying, or during the warranty period, and get a replacement. Tiny, free and open source, no ads or permissions.
Auditor of dead pixel is a small and very easy to use application that will help you find dead pixels on your TFT / LCD monitor. Auditor of dead pixel has a simple and comprehensive interface that will quickly guide you through all its features.
lcdtest is a utility to display LCD monitor test patterns. It may be useful for adjusting the pixel clock frequency and phase on LCD monitors when using analogue inputs, and for finding pixels that are stuck on or off.