Screen Tester Pro: TV & OLED

Screen Tester Pro is a complete screen testing, calibration and panel care suite for Android smartphones, tablets and Android TV / Google TV.

Bought a new phone or TV, calibrating a home theater OLED, or repairing displays for customers? Screen Tester Pro gives you professional test patterns, a guided calibration run and a PDF certificate – no extra hardware needed.

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FREE
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• Solid RGBW & OLED grays: find dead pixels, stuck subpixels and panel impurities
• Sharpness & ringing: set display sharpness without artificial edge halos
• SDR dimming check: see how local dimming zones react
• Device analyzer: model, resolution, refresh rate, HDR capabilities

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PRO – pay once, use forever
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COLOR & UNIFORMITY
• Color uniformity: 5% to 100% IRE steps for vignetting, tinting and backlight bleed
• Near-black & black crush (0–5%): verify shadow detail
• White clipping (RGB 230–255): keep highlights from blowing out
• Subpixel macro grid: inspect RGB, BGR and PenTile structures
• Saturation decay: 4 to 64-step bit-depth and gradation check
• 10-bit color banding: spot dithering and compression artifacts

HDR & HIGH-END PANELS
• HDR bright-scene stress test with an adjustable nits target
• ABL window patterns: 1%, 2%, 5%, 10%, 25%, 50% and 100% white windows
• Mini-LED & FALD blooming check: haloing and local dimming lag
• ANSI contrast: 4x4 checkerboard with one-touch inversion

MOTION, GEOMETRY & CALIBRATION
• Judder & 24p: 3:2 pulldown judder and micro-stutter
• Motion pursuit & ghosting: response time, smear and overdrive artifacts
• Chroma subsampling 4:4:4 vs 4:2:2 / 4:2:0 for PC and console text clarity
• Gamma verification 2.2 / 2.4 / BT.1886 by optical pattern
• Geometry & overscan grids, reference test card
• DSE: 50% gray dirty screen effect check
• OLED recovery: high-frequency noise cycle to ease temporary image retention

CERTIFICATES
• Guided calibration wizard with automatic score (0–100)
• PDF test certificate with the test images as proof and your own logo
• QR transfer: send the TV result to your phone and share the PDF

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WORKSHOP PRO – subscription
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Everything in Pro, plus:
• Cloud archive for all certificates and settings sync across devices
• Customer name and order number on the PDF
• Before/after repair report: findings detected by the test or entered by inspection (e.g. a cracked panel), repair work done and the result after the repair

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MADE FOR ANDROID TV & TOUCH
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• Full D-pad navigation with your TV remote
• Distraction-free fullscreen patterns, screen stays on during tests
• Fine-tune speeds, pattern sizes and steps in Settings (Pro)
• No ads. 17 languages.

Note: Screen Tester Pro is a visual inspection tool. It does not replace a colorimeter measurement.

Recent changes:
Bug fixing