Display Tester

Display Tester

100,000 - 500,000 downloads

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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).

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-= 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)
◆ 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)

-= Pro features =-
◆ No splash screen
◆ Full Google Cast support
◆ Repair burn in - noise (white, b&w, red, green, blue) => Only 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

-= 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.

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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! :)
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Tags: screen, display, screen test, screen tester, check, checker, burn-in, burn in, broken pixel, dead pixel, bright pixel, defective pixel, stuck pixel, defect, faulty, identify, LCD, SLCD, LED, OLED, AMOLED, screen burn, hardware, Galaxy Nexus, dip, px, pix, font, typeface, style, cast, google cast

Tags: display tester, fix gamma, burn ics softkey, ics softkeys height, hide ics soft buttons video, display tester checks, test display code, gamma display, jelly bean softkey hide, galaxy nexus burn in fix.

Recently changed in this version

v3.8.20:
◆ Bug fixes & optimizations

v3.8.16-v3.8.19:
◆ Anonymous usage reporting added. Can be turned off in the preferences.
◆ Bug fixes & optimizations

v3.8.14-v3.8.15:
◆ Gamma tests enhanced with 25% and 75% brightness levels

v3.8.10-v3.8.12:
◆ Google Cast support added
◆ Because of the Google Cast support, only Android API level 9 and up is now supported
◆ Google Cast support requires the network/WiFi access rights
◆ Bug fixes


Comments and ratings for Display Tester
  • (69 stars)

    by Peter Low on 12/07/2014

    OK for testing, not for calibrating displays.

  • (69 stars)

    by Arthur Shogenoff on 01/07/2014

    Great app!

  • (69 stars)

    by Michael Kuzel on 01/06/2014

    Every feature one could need is available, and even more continue to be added. Highly recommended.

  • (69 stars)

    by andrew miller on 28/05/2014

    Suggested it as I'm sure others did so I'm supporting the Dev since he added it can't wait to test

  • (69 stars)

    by Daniel Chavez on 25/05/2014

    This is one of the first apps I download and run to check for dead/stuck pixels on a new device.

  • (69 stars)

    by Ryne Hager on 19/05/2014

    I've been using a mirroring app for casting some of the screens in previous versions for TV calibration and testing, so excited to see the native support! Well worth it, that much easier to do calibrations now. Thanks for the improvement!

  • (69 stars)

    by Anthony Headley on 14/05/2014

    Absolutely wonderful app.