HomeAppsToolsDisplay TesterApps like Display Tester Here are some great alternatives to Display Tester by Brain_trapp : Screen Test Pro ★4.4 Dead Pixels Test and Fix ★4.0 Touch Screen Test ★4.4 Screen Check: Dead Pixels Test ★4.3 Display Calibration ★4.1 Dead/Defective Pixel Test& Fix ★3.5 Screen Resolution DPI Changer ★3.8 Display Info ★4.5 Screen Test ★4.0 White Screen ★3.7 LCD Screen Dead Pixel Fix ★4.1 Display Checker with Real-Time ★3.8 Screen & Display Calibration ★3.8 Mobile Screen & Display Tools ★3.9 Dead Pixel Fix - LCD & IPS ★3.5 InjuredPixels: Dead Pixel Test ★4.2