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Screenshots

  • GenR8 screenshot 1
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About GenR8

KEY FEATURES: * 28+ Professional Test Patterns - SMPTE color bars, calibration grids, convergence patterns, HDR test signals, luma stepping, IRE patterns, and more * External Display Support - Connect via USB-C to HDMI/DisplayPort or AirPlay. Full 1:1 pixel mapping for accurate calibration * AV Sync Test * Audio Test Tones - Sine, square, sawtooth, and white noise waveforms from 20Hz to 20kHz with live stereo metering * HDR Pattern Support - PQ curve test patterns, HDR color bars, and BT.2111 UHD patterns for HDR display validation * Precision Controls - Customizable aspect ratio overlays, diagnostic crosshairs, border guides, and adjustable scanning color bars * Live Audio Metering - Real-time L/R level meters with peak detection for audio signal monitoring * iPad Optimized - Split-view interface with pattern library sidebar and full-screen preview * Customizable Overlays - Display resolution info, clock, date, custom text, and diagnostic guides * Export Test Patterns in PNG, PDF, JPG, TIFF PERFECT FOR: - Video engineers calibrating displays - AV technicians testing signal chains - Filmmakers validating monitor accuracy - Content creators ensuring color fidelity - Anyone needing professional test patterns on the go DISPLAYS SUPPORTED: *External monitors, projectors, TVs, and broadcast displays via HDMI, DisplayPort, or AirPlay. Made with precision for professionals who demand accuracy.

Ratings & reviews

4.9

9 ratings

5 ★ 89% 4 ★ 11% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 1.6.1 · Updated March 22, 2026

Fixed an issue where HDR Pattern would not render when connected to a SDR display. System now switches to EDR mode. Fixed an issue where AV Sync overlay and test pattern animations would not run when Reduce Motion was enabled.

App privacy

The developer, Christopher Van Hoose, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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