Wallpaperz 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.

Wallpaperz compared with Mermaid Viewer
Detail	Wallpaperz	Mermaid Viewer
What it does	AI-generated and curated HD & 4K wallpapers for desktop and mobile, free to download	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: 5 AI wallpapers daily, access to 120+ wallpaper library, 1344×768 PNG output. Credits: $8 one-time for 150 credits (5.3¢ per wallpaper). Pro: $40 per year ($3.33/month billed yearly) or monthly billing available, 300 AI wallpapers monthly plus 5 daily free, no ads. Lifetime: $29 one-time payme	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	5 free AI wallpaper generations daily Smart screen cropping to native resolution 120+ curated HD and 4K wallpapers AI generation outputs at 1344×768 PNG resolution Filter by color and device type No signup required for free downloads Credits never expire and stack with Pro	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	AI-crafted original wallpapers not found elsewhere Open-source community project with contribution opportunities Lifetime purchase option with no renewals Failed AI generations automatically refunded	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 no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	19	23
Referring domains (Majestic)	8	12

5 details filled in for both companies.

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