Logofai 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.

Logofai compared with Mermaid Viewer
Detail	Logofai	Mermaid Viewer
What it does	One prompt. A whole brand.	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	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free trial: 15 credits for 3 days (card required). Starter: $9.99/month for 150 credits. Pro: $29.99/month for 450 credits. Business: $99.99/month for 1,500 credits. Yearly billing saves 10%. Each logo costs 3 credits, design system costs 9 credits, refining an image costs 3 credits. Failed generati	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	AI logo generation from text prompt Brand kit and style boards Product mockups on 200+ real products Lifestyle photography in multiple editorial styles Developer-ready design system with design.md SVG vector export and multiple logo formats Brand guidelines PDF generation Logo Review and scoring tool Image Studio for custom photography Available on web, iOS and Android apps	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	One prompt generates entire brand identity, not just a logo Same flagship AI model quality across all pricing plans Failed generations refund credits automatically Complete design system extraction for developers Launch-ready assets in minutes without design skills	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)	15 no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	8	3
Citation Flow (Majestic)	24	23
Referring domains (Majestic)	30	12

5 details filled in for both companies.

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