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GenR8

Christopher Van Hoose
Display Calibration Generator
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USen-USGBen-GBBEen-GBJPjaBGen-GBITitKRkoQAen-GBAEen-GBAFen-GBAGen-GBAIen-GBALen-GBAMen-GBAOen-GBARes-MXATde-DEAUen-AUAZen-GBBAen-GBBBen-GBBFen-GBBHen-GBBJen-GBBMen-GBBNen-GBBOes-MXBRpt-BRBSen-GBBTen-GBBWen-GBBYen-GBBZen-GBCAen-CACDen-GBCGen-GBCHde-CHCIfr-FRCLes-MXCMfr-FRCNzh-Hans-CNCOes-MXCRes-MXCVen-GBCYen-GBCZen-GBDEde-DEDKen-GBDMen-GBDOes-MXDZen-GBECes-MXEEen-GBEGen-GBESes-ESFIen-GBFJen-GBFMen-GBFRfr-FRGAfr-FRGDen-GBGEen-GBGHen-GBGMen-GBGRen-GBGTes-MXGWen-GBGYen-GBHKzh-Hant-HKHNes-MXHRen-GBHUen-GBIDen-GBIEen-GBILen-GBINen-GBIQen-GBISen-GBJMen-GBJOen-GBKEen-GBKGen-GBKHen-GBKNen-GBKWen-GBKYen-GBKZen-GBLAen-GBLBen-GBLCen-GBLKen-GBLRen-GBLTen-GBLUen-GBLVen-GBLYen-GBMAen-GBMDen-GBMEen-GBMGen-GBMKen-GBMLen-GBMMen-GBMNen-GBMOzh-Hant-HKMRen-GBMSen-GBMTen-GBMUen-GBMVen-GBMWen-GBMXes-MXMYen-GBMZen-GBNAen-GBNEen-GBNGen-GBNIes-MXNLnlNOen-GBNPen-GBNRen-GBNZen-AUOMen-GBPAes-MXPEes-MXPGen-GBPHen-GBPKen-GBPLen-GBPTpt-PTPWen-GBPYes-MXROen-GBRSen-GBRUruRWen-GBSAen-GBSBen-GBSCen-GBSEsvSGen-GBSIen-GBSKen-GBSLen-GBSNen-GBSRen-GBSTen-GBSVes-MXSZen-GBTCen-GBTDen-GBTHen-GBTJen-GBTMen-GBTNen-GBTOen-GBTRen-GBTTen-GBTWzh-Hant-TWTZen-GBUAen-GBUGen-GBUYen-GBUZen-GBVCen-GBVEes-MXVGen-GBVNen-GBVUen-GBXKen-GBYEen-GBZAen-GBZMen-GBZWen-GB
175 of 175 storefronts
Content in en-US
Age Rating
4+
Years
Developer
Christopher Van Hoose
Language
EN
+9 More
Size
22.0
MB

Information

Apple ID6751822886
Bundle IDcvhvisuals.Genr8
SellerSeller
Min iOS17.0
Min macOS14.0
Device familiesiphone, ipad
Released2025-12-07
Copyright© CVH Visuals
WebsiteLink ↗
Privacy policyLink ↗

Preview 2 platforms

iPhone 7 images

iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot

iPad 6 images

iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 1.6.1

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.

Description

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.

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 7 versions

Build 883637027v1.6.12026-03-22 23:23:28
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.
Build 883588695v1.5.12026-03-20 19:53:03
Fixed an issue where AV Sync overlay and test pattern animations would not run when Reduce Motion was enabled.
Build 881226601v1.4.42026-03-10 01:34:49
AV Sync Test Pattern: Audio tone options — Frequency selector (1kHz standard, 440Hz, pink noise burst) and channel routing (Left / Right / Both). Useful when troubleshooting which audio channel is delayed through a mixer or matrix. Signal info panel — Expand the top-left info to show color space (BT.709/BT.2020), bit depth, HDR status, and device model. Techs on-site want to screenshot this as documentation. Motion judder bar — A horizontal bar that scrolls at constant velocity across the screen. Reveals frame drops, judder, and cadence issues in scalers/LED processors that the sync clock alone won't catch. *This is an overlay, you can overlay on any Test pattern as a background. *By default the internal overlay will be disabled when an external display is detected, yet can be re-enabled! *Lower processors could notice frame drops if both internal and external displays are enabled. HDR! Added - HDR capabilities to Main UI and External Displays. Added a new HDR Peak Window pattern for HDR Displays. Added an option to toggle HDR/SDR for HDR test patterns. Added Korean, Brazilian, Chinese languages! Color scheme changed from dynamic to Dark mode. Performance enhancements
Build 880872908v1.3.32025-12-20 23:04:55
* added 3 new Test Patterns - 1. Checkerboard Pattern (Geometry category) - Purpose: Testing pixel response time, motion blur, overdrive artifacts - Implementation: 16x16 alternating black and white squares using Canvas for performance 2. Gradient Ramps Pattern (Luma category) - Purpose: Testing banding, bit depth, gamma response, color accuracy - Implementation: 4 horizontal gradients (Luminance, Red, Green, Blue) 3. Resolution Chart Pattern (Geometry category) - Purpose: Testing display sharpness, signal bandwidth, resolution limits - Implementation: Multiburst pattern with 8 frequency zones (2-28 bars) plus corner indicators * added Show Meters on Preview option for iPad * Overlays are initially disabled for Luma patterns, which are used for testing luminance, grayscale accuracy, banding, and bit depth. Diagnostic overlays would interfere with these tests by adding visual artifacts, so they're automatically disabled to ensure clean, accurate gradient/step displays. * more test patterns and features coming soon! Please feel free to reach out to us for future features and issues! Thank You!
Build 880523928v1.22025-12-10 21:45:03
* Add User images/test patterns from Photo Library/Files! * added an option to turn off low-power mode. Low power mode will stop animations such as scanning color bars when the battery reaches 20%. * Test Pattern options can now be invoked in fullscreen. * Proper spacing for settings text * Light mode/dark mode fixes * Localization additions * fixed decay bars
Build 880458549v1.12025-12-09 03:44:26
* Export your Test Patterns! -Main and External Displays. (PNG, PDF, JPEG, TIFF) * Optimized EDID injection * fixed the Custom Text button * fixed the custom colors layout * added 6 languages: - English - Spanish - Chinese - French - German - Italian - Japanese
Build 877758622v1.02025-12-07 17:22:55
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Price history by region

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Availability 175 of 175 storefronts

RegionLanguagePriceRatingsAvgVersion
US en-USUSD 19.9994.91.6.1
GB en-GBGBP 19.9934.71.6.1
BE en-GBEUR 22.9923.01.6.1
JP jaJPY 300025.01.6.1
BG en-GBEUR 22.9915.01.6.1
IT itEUR 22.9915.01.6.1
KR koKRW 3300015.01.6.1
QA en-GBQAR 69.9914.01.6.1
AE en-GBAED 79.990—1.6.1
AF en-GBUSD 19.990—1.6.1
AG en-GBUSD 19.990—1.6.1
AI en-GBUSD 19.990—1.6.1
AL en-GBUSD 22.990—1.6.1
AM en-GBUSD 22.990—1.6.1
AO en-GBUSD 19.990—1.6.1
AR es-MXUSD 19.990—1.6.1
AT de-DEEUR 22.990—1.6.1
AU en-AUAUD 29.990—1.6.1
AZ en-GBUSD 22.990—1.6.1
BA en-GBEUR 22.990—1.6.1
BB en-GBUSD 22.990—1.6.1
BF en-GBUSD 19.990—1.6.1
BH en-GBUSD 19.990—1.6.1
BJ en-GBUSD 22.990—1.6.1
BM en-GBUSD 19.990—1.6.1
BN en-GBUSD 19.990—1.6.1
BO es-MXUSD 19.990—1.6.1
BR pt-BRBRL 129.90—1.6.1
BS en-GBUSD 19.990—1.6.1
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CN zh-Hans-CNCNY 1480—1.6.1
CO es-MXCOP 999000—1.6.1
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MA en-GBUSD 19.990—1.6.1
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MX es-MXMXN 3990—1.6.1
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MZ en-GBUSD 19.990—1.6.1
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NG en-GBNGN 299000—1.6.1
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NL nlEUR 22.990—1.6.1
NO en-GBNOK 2490—1.6.1
NP en-GBUSD 22.990—1.6.1
NR en-GBUSD 19.990—1.6.1
NZ en-AUNZD 39.990—1.6.1
OM en-GBUSD 19.990—1.6.1
PA es-MXUSD 19.990—1.6.1
PE es-MXPEN 89.90—1.6.1
PG en-GBUSD 19.990—1.6.1
PH en-GBPHP 12900—1.6.1
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TR en-GBTRY 999.990—1.6.1
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TZ en-GBTZS 599000—1.6.1
UA en-GBUSD 22.990—1.6.1
UG en-GBUSD 22.990—1.6.1
UY en-GBUSD 19.990—1.6.1
UZ en-GBUSD 19.990—1.6.1
VC en-GBUSD 19.990—1.6.1
VE es-MXUSD 19.990—1.6.1
VG en-GBUSD 19.990—1.6.1
VN en-GBVND 5990000—1.6.1
VU en-GBUSD 19.990—1.6.1
XK en-GBEUR 22.990—1.6.1
YE en-GBUSD 19.990—1.6.1
ZA en-GBZAR 399.990—1.6.1
ZM en-GBUSD 22.990—1.6.1
ZW en-GBUSD 22.990—1.6.1

Change log 11 changes · BB

✎
releaseNotes updated
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 tes
✎
description updated
KEY FEATURES: * 28+ Professional Test Patterns - SMPTE color bars, calibration grids, convergence patterns, HDR test signals, luma stepping, IRE patterns, a
✎
subtitle updated
Display Calibration Generator
✎
name updated
GenR8
◆
Version 1.6.1 released
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.
◆
Version 1.5.1 released
Fixed an issue where AV Sync overlay and test pattern animations would not run when Reduce Motion was enabled.
◆
Version 1.4.4 released
AV Sync Test Pattern: Audio tone options — Frequency selector (1kHz standard, 440Hz, pink noise burst) and channel routing (Left / Right / Both). Useful when troubleshooting which audio channel is delayed through a mixer or matrix. Signal
◆
Version 1.3.3 released
* added 3 new Test Patterns - 1. Checkerboard Pattern (Geometry category) - Purpose: Testing pixel response time, motion blur, overdrive artifacts - Implementation: 16x16 alternating black and white squares using Canvas for performance
◆
Version 1.2 released
* Add User images/test patterns from Photo Library/Files! * added an option to turn off low-power mode. Low power mode will stop animations such as scanning color bars when the battery reaches 20%. * Test Pattern options can now be invoked
◆
Version 1.1 released
* Export your Test Patterns! -Main and External Displays. (PNG, PDF, JPEG, TIFF) * Optimized EDID injection * fixed the Custom Text button * fixed the custom colors layout * added 6 languages: - English - Spanish - Chinese - French - Ger
◆
Version 1.0 released
expanded screenshot