Display Tester

Download Display Tester APK

com.gombosdev.displaytester · by Brain_trapp

Tools Brain_trapp
Latest Version: 5.35.6 • Updated: Mar 19, 2026
Download Display Tester APK
v5.35.6 · APK

About Display Tester

DisplayTester makes it possible to test almost every aspect of your device's LCD/OLED screen. Using Google Cast it is possible to test the display quality of your TV. It is designed to allow full screen testing also on devices with soft keys (hiding the soft keys in ICS and later, immersive mode in KitKat and later). ----- -= Free features =- ◆ Dead pixel test: detect "dead pixels" by displaying a series of solid background color pages ◆ Color tests: contrast, gradient (banding) and saturation tests ◆ Gamma calibration tests (grey/red/green/blue) ◆ Viewing angle tests (This is useless for OLED displays) ◆ Wide gamut color test ◆ Multi-touch test ◆ Display performance tests ◆ Repair burn in - scrolling black & white bars ◆ Display measures info: screen size, GPU type, dpi, density-independent pixel size, OpenGL 1.x info, pixel format ◆ Real world pictures for reference and comparison ◆ 4-color gradient test with orientation change correction (Android 2.2 and higher) ◆ Pixel format & dithering tests ◆ Built-in font styles test ◆ Manually DPI measurement ◆ Color charts ◆ Touch screen dead spot tester ◆ System Fonts tester ◆ DIP / PX calculator -= Pro features =- ◆ Full Google Cast support ◆ Repair burn in - noise (white, b&w, red, green, blue) -= Soft key hiding in ICS/Honeycomb/JellyBean =- Use the preferences menu option for this or simply long touch the display during a test is running. -= Gestures =- ◆ Slide left-right: change test image ◆ Slide up-down: change brightness ◆ Long touch: switch between full screen and normal screen (Android 3.0 and higher) ◆ Double tap: hide or show the test specific settings dialogue (if available) When the soft keys are hidden it is not easy to advance to the next screen: First tap to make the buttons appear, then a quick swipe for the next screen before the buttons are hidden again. ----- Please consider purchasing the Pro version to support further development. If you are having a problem or you have a suggestion about a missing feature, the ONLY way it will get done is if you email me! :)

All Display Tester APK versions

5.35.6
May 25, 2026
1 variant

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Frequently Asked Questions

Yes. Every Display Tester APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (Brain_trapp). Files that fail verification are removed before they ever reach the catalog.

Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded Display Tester APK, confirm the prompts, and Android installs it just like any app from the Play Store.

The latest Display Tester version available on APK.now is 5.35.6. We track new releases from Brain_trapp continuously and add them to the catalog as soon as they pass verification.

Yes — every Display Tester APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.

APK.now keeps a full archive of every Display Tester release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.