Features & Capabilities

Transform your iPhone or iPad into a professional-grade test pattern generator for display calibration and signal chain validation.

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.

User Growth & Download Statistics

App
By:
Christopher Van Hoose
Version:
1.6.1 Last updated: 2026-03-22
Version code:
883637027
Creation date:
2025-12-07
Compatible devices:
Size:
20.95MB
Price:
22.99
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-12
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Christopher Van Hoose
Apple Apps Store
https://apps.apple.com/de/app/genr8/id6751822886?l=en-GB
Website:
http://cvhvisuals.com/genr8.html

User Reviews

It does what it says at a fair price. No subscription or tricks to try and monetize you or your data
by Ba*****, 2025-12-16

Having this level of control over test pattern outputs is worth 10 times the cost of this app. Keep up the great work!
by Ne*****, 2025-12-11
View all user reviews ›

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