StampZen 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.
StampZen compared with QR Promise
| Detail | 
StampZen | 
QR Promise |
|---|
| What it does | Free online stamp maker for custom stamps and seals
| 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 | Freemium
| Free trial
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| Pricing | Free: unlimited design edits and 480px watermarked JPG download. Paid: High-res PNG $2.50, PNG + SVG $2.90, All formats (PNG + SVG + PDF) $3.50. No subscription, one-time payment only.
| Pro: $3/mo after 7-day free trial (card required)
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| Key features | - 26 stamp template categories including company seals, notary, date, and deposit stamps
- Round, square, or rectangular stamp shapes sized in real millimeters
- Live preview rendering as you edit
- Free watermarked JPG download to test layout
- High-resolution PNG export at 6000px with transparent background
- Vector SVG export with text converted to outlines for stamp makers
- Print-ready PDF at true physical size
- Mobile-responsive web app with no installation required
- Customizable fonts including Oswald, Archivo, PT Serif, Courier Prime, and Noto Sans CJK
- Adjustable ink color, opacity, aging effect, and border styles
| - 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 account creation or signup required to design and download free preview
- Pay once per design, no subscription billing
- Server-side rendering ensures preview matches final export exactly
- Designed specifically for real documents with print-ready output at true size
- Seven-day email download link for file re-downloads after payment
| - 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) | 11 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 22 | 0 |
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| Referring domains (Majestic) | 10 | 0 |
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5 details filled in for both companies.
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