Pattern Generator vs GenR8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pattern Generator
Create custom test patterns for various resolutions and display types, including grids, color bars, and specialized formats. Easily share your generated patterns via messaging, email, or AirDrop.
- Create test patterns
- Multiple pattern types (grids, color bars, etc.)
- Supports various resolutions
- Share patterns via message, mail, AirDrop
- Wide screen patterns
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Pattern Generator, allows you to create test patterns that in any resolution. Patterns available: Blendind (for wide screen). LED wall. Grid with or without circles. Spyder. 75% Color Bar 100% color bars. Horizontal 75% Color Bar. Horizontal Color Bar 100%. SMPTE color bar. Horizontal grayscale. You can send your pattern by message, mail or share with AirDrop.
GenR8
Generate professional test patterns for display calibration and validation. Supports external displays, audio testing, and HDR signals. Ideal for video engineers, filmmakers, and content creators needing precise visual and audio analysis on the go.
- 28+ professional test patterns
- External display support (USB-C, AirPlay)
- HDR pattern support
- Audio test tones and live metering
- Precision controls and customizable overlays
- Export test patterns (PNG, PDF, JPG, TIFF)
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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.
Screenshots
Verdict
Pattern Generator and GenR8 both sit at 5.0 stars, but that hides the real split: 100% of GenR8's written reviews are positive against 50% of Pattern Generator's. GenR8 also leads on update cadence (weekly vs every 19 months) and ratings volume (9 vs 1). Pattern Generator's advantage is price ($4.99 vs $19.99) and iOS requirement (13.0 vs 17.0). On rating, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Pattern Generator costs $4.99 and GenR8 $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Pattern Generator against 4.9 for GenR8. That said, the two scores are not equally well evidenced: GenR8 has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 50% of Pattern Generator's written reviews are positive against 100% of GenR8's.
Pattern Generator ships an update every 19 months, GenR8 weekly. Both last shipped on September 27, 2026.
| Parameter | Pattern Generator | GenR8 |
|---|---|---|
| Price | $4.99 — better | $19.99 |
| Rating | 5.0 (1 ratings) — better | 4.9 (9 ratings) |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 9 — better |
| Update frequency | Every 19 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | piXap | Christopher Van Hoose |
Customer experience
Pattern Generator
GenR8
In-app purchases
Pattern Generator
No in-app purchases
GenR8
No in-app purchases
