ColorUI vs QR Promise
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ColorUI compared with QR Promise
| Detail | 
ColorUI | 
QR Promise |
|---|
| What it does | The ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device.
| QR codes that keep working forever
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| US
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| Pricing model | Free
| Free trial
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| Pricing | Not given
| Pro: $3/mo after 7-day free trial (card required)
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| Key features | - Palette Generator
- Color Picker with HEX, RGB, HSL, OKLCH, LAB outputs
- Image Color Extractor
- WCAG and APCA Contrast Checker
- Color Blindness Simulator
- CSS Gradient Generator
- Design Token Export W3C DTCG
- Color Wheel Harmonies
- Tailwind Color Palette
- Material You Colors
| - Static QR generator for URLs, text, WiFi, vCard, email, SMS
- PNG and SVG downloads
- Dynamic codes with scan analytics by day, country, and device class
- Code Health Monitor alerts for broken destination URLs
- Migrate deactivated competitor codes
- One-click subscription cancellation
- Customizable colors and optional logo
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| What makes it different | - No sign-ups, no paywalls, runs entirely in browser
- Perceptually uniform color math with OKLCH and LAB
- Accessibility-first design with inline contrast and CVD simulation
- Export to multiple formats: CSS, Tailwind, SCSS, W3C tokens, Android, iOS
- Wide-gamut Display P3 and CSS Color Level 4 support
| - Static codes generated in your browser never route through servers and keep working forever after cancellation
- Code Health Monitor checks if printed code destinations go down and emails you to fix the link without reprinting
- Affordable pricing with no server-side kill switch on static codes after cancellation
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 7 | 0 |
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| Referring domains (Majestic) | 9 | 0 |
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4 details filled in for both companies.
More alternatives to ColorUI More alternatives to QR Promise