Deroom AI 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.

Deroom AI compared with Mermaid Viewer
Detail	Deroom AI	Mermaid Viewer
What it does	AI-powered room redesign from a photo in 30-60 seconds	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: 10 credits (one generation, watermarked). Starter: $9.99/mo (200 credits/month, 20 generations, 4K export, commercial use). Pro: $24.99/mo (600 credits/month, 60 generations, priority queue). Enterprise: $49.99/mo (1,800 credits/month, 180 generations, API access coming Q3). Yearly billing 30%	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	12 curated design styles tuned for photographic quality 12 room types supported including kitchens, bathrooms, bedrooms, living rooms, and exteriors 4K export quality on paid plans Commercial usage rights on all paid plans Generation results in 30-60 seconds Priority queue processing for Professional-tier subscribers Sign-up with Google, no credit card required for free tier Credits auto-refunded if generation fails	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	Image-to-image models specifically tuned for architectural interiors preserving structural realism Commercial usage rights included on every paid plan	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)	4 +1 (up) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	18	3
Citation Flow (Majestic)	20	23
Referring domains (Majestic)	106	12

5 details filled in for both companies.

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