QRFlowy 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.

QRFlowy compared with Mermaid Viewer
Detail	QRFlowy	Mermaid Viewer
What it does	Create, manage and track QR codes in one place. Re-point a printed code, see every scan without storing an IP, and keep redirecting if you cancel.	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	CZ	Not given
Pricing model	Not given	Freemium
Pricing	Static codes: Free. Dynamic codes: Free (1 code), Starter $5/month or $54/year (10 codes), Pro $12/month or $129/year (100 codes), Agency $29/month or $313/year (1,000 codes).	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	Create 10 types of QR codes (links, WiFi, contact cards, payments, etc.) Re-point dynamic codes after printing without reprinting Logo in the middle with verification that scan still works Download in PNG, WebP, SVG or PDF up to 4096 pixels Design with shapes, colors, gradients and error correction levels Dynamic codes keep redirecting after cancellation Destination history with timestamps for all changes Redirect response time of 31-83 milliseconds	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	Codes never expire or stop working after subscription cancellation No IP addresses stored; privacy-focused analytics with daily-changing hashes One-person operation, not a faceless company	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)	Not checked yet no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	6	3
Citation Flow (Majestic)	16	23
Referring domains (Majestic)	2	12

4 details filled in for both companies.

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