QRSurge 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.

QRSurge compared with Mermaid Viewer
Detail	QRSurge	Mermaid Viewer
What it does	Generate custom QR codes that don't expire	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Startup	Not given
Founded	2024	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 3 dynamic QR codes, unlimited static QR codes, 7 days analytics history, basic support. Starter: $7/month or $84/year includes 20 dynamic QR codes, 90 days analytics, bulk create 20 codes. Pro: $19/month or $228/year includes unlimited dynamic QR codes, 180 days analytics, 1 custom domain, bul	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 (free) Dynamic QR codes with editing Full QR code customization (colors, styles, shapes, logo) Scan analytics and tracking Bulk QR code generation (20-300 codes per tier) Custom domain branding (Pro and above) Smart redirect rules (device, location, time-based) Team collaboration and role-based access High-resolution downloads (SVG, PNG, JPG, WEBP) No expiration on QR codes	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	QR codes that never expire, even after printing Free to use with no credit card required Professional customization without signup required Privacy-first approach with no data reselling Affordable transparent pricing with no hidden costs	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)	10 +2 (up) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	16	3
Citation Flow (Majestic)	22	23
Referring domains (Majestic)	26	12

5 details filled in for both companies.

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