UXAuditPro 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.

UXAuditPro compared with Mermaid Viewer
Detail	UXAuditPro	Mermaid Viewer
What it does	AI-powered UX audits that tell you exactly what to fix	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Startup	Not given
Founded	2024	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0 for one audit per month, limited to 1 page with overall score, all 6 dimension scores, and one finding in full. Starter: $49 per audit for up to 3 pages of the same site, all findings with evidence and fixes, cross-page analysis, PDF export, and sprint roadmap. Agency: $149 per month for up	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	6 UX dimension scoring across Navigation, Visual Hierarchy, Friction, Accessibility, Conversion Design, and Mobile UX Prioritized findings with severity ratings Sprint roadmap with effort and impact prioritization Annotated screenshots with evidence PDF export and shareable reports White-label branding option Multi-page analysis with cross-page comparison Research-backed impact estimates with citations Claude integration for audits Desktop and mobile screenshot capture	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	Results in under 5 minutes Free audit every month with no credit card required 50+ research-backed heuristics from Nielsen Norman Group and Baymard Institute Evidence-driven findings with measured values verified before delivery Faster and more affordable than manual expert reviews costing $3,000–$15,000	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 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	6	23
Referring domains (Majestic)	2	12

5 details filled in for both companies.

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