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About Screen Tester
All in one screen tester for Android: pixels, colors, gamma, touch and display info in one free app.
Screen Tester is a complete display checkup in one place. Instead of installing a separate app for every problem, you get dead pixel pages, color and contrast charts, gamma steps, gradient and saturation tests, a multi-touch check and a full readout of your display specs. It is the tool to open first whenever a screen looks a little off.
What A Screen Test Covers
The test suite checks the four things that matter most on any panel: pixels, color, brightness steps and touch. You can confirm the real resolution, density and screen size, see if colors are even across the panel, and find touch dead zones with your finger. It works for LCD, IPS and OLED screens, and with Google Cast you can push the same tests to a TV.
When To Run It
- Right after unboxing a new phone, tablet or monitor
- Before buying a second hand device
- After a screen replacement or repair
- When you notice tint, banding or blotches
Which App The Install Button Opens
The button opens Display Tester by Braintrapp on Google Play, a long running and highly rated screen test app with more than a million installs. If you only need one check, see our Dead Pixel Test and Touch Screen Test pages.
Key Features
- Dead pixel pages with solid background colors
- Contrast, gradient and saturation color tests
- Gamma calibration steps for grey, red, green and blue
- Viewing angle and wide gamut color tests
- Multi-touch and touch dead spot tester
- Display info: size, dpi, density and GPU
- Send tests to a TV with Google Cast
Our Take On Screen Tester
What We Like
- Covers almost every screen check in one app
- Useful for phones, tablets and TVs
- Clear full screen patterns with immersive mode
What Could Be Better
- Some advanced tests are in the paid upgrade
- Swiping between tests takes a moment to learn
Download Safety
- Official source You get it from the official store listing.
- No changes made You install the developer's own build, nothing in between.
Questions People Ask About Screen Tester
01 What is a screen tester?
It is an app that shows test patterns so you can spot dead pixels, color problems, uneven brightness and touch faults on a display.
02 Can I test my TV screen with my phone?
Yes. Display Tester can send its patterns to a Chromecast or Google TV so you check the TV panel directly.
03 Is a screen test safe for my phone?
Yes. The app only shows images and reads display info, it does not change any system setting.
04 Is Screen Tester free to download?
Yes. Screen Tester is free to download and install.
05 Is it safe to install Screen Tester from here?
Yes. The button opens the official store listing, so you install it the normal way and get automatic updates.
How To Install Screen Tester
- Tap the install button. The official store page opens.
- Tap Install and wait for it to finish.
- Open the app from your home screen.
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