FreeQR vs Mermaid Viewer

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FreeQR compared with Mermaid Viewer
Detail	FreeQR	Mermaid Viewer
What it does	Free QR code generator with unlimited static codes and one dynamic QR code free forever	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	Not given
Pricing model	Not given	Freemium
Pricing	Free: unlimited static QR codes and one dynamic QR code free forever. Starter A$4.99/month (10 dynamic QR codes). Pro A$12.99/month (100 dynamic QR codes). Business A$29.99/month (500 dynamic QR codes). Agency A$79.99/month (2,000 dynamic QR codes). Annual billing available with discounts. Lifetime	Free: unlimited editor and preview, 3 saved diagrams, 5 AI uses total, PNG export 1× with watermark. Starter: $6.99/month or $69.90/year; 30 saved diagrams, 500 AI conversations per month, PNG export up to 4× without watermark. Pro: $11.99/month or $119.90/year; unlimited diagrams, unlimited AI, PNG
Key features	Unlimited static QR codes with no signup First dynamic QR code free forever with no expiry Editable destination after printing Scan analytics tracking PNG and SVG export formats Customizable colors, styles and logo embedding Construction Site Sign-In Visitor Sign-In Equipment Passports Clients & CRM	Live preview of Mermaid code as you type AI diagram generator, editor and syntax fixer PNG export on every plan; JPG, SVG and PDF on Pro All 22+ Mermaid diagram types supported Share diagrams via public links and embeds Save diagrams to cloud with folders and version history Keyboard shortcuts and autocomplete Mobile-responsive editor with pan and pinch-zoom
What makes it different	First dynamic QR code free forever with no credit card or expiry required Change QR destination anytime after printing without reprinting Scalable SVG export for professional printing and packaging Multiple business solutions on one account with one login Built in Australia for Australian businesses	No account or sign-up required to start editing diagrams Affordable pricing: Starter at $6.99/month, Pro at $11.99/month Diagrams render in your browser; nothing stored unless you choose to save Fast editor with instant rendering and clear error messages
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	2	3
Citation Flow (Majestic)	19	23
Referring domains (Majestic)	4	12

4 details filled in for both companies.

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