TierCove 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.

TierCove compared with Mermaid Viewer
Detail	TierCove	Mermaid Viewer
What it does	Fast tier list maker with AI ranking, local autosave, and clean PNG export	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 (no sign-in to start, 10 AI credits/day, 1 public cloud project, watermarked PNG export). Plus: $12/month or $6/month yearly (600 AI credits/month, unlimited private projects, HD export, no watermark). Pro: $24/month or $12/month yearly (3000 AI credits/month, unlimited items up to 1000, priori	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 Quick Rank: AI suggests initial tier placement based on items and ranking criteria AI Ranking Reasons: Generate short explanations for why items belong in each tier AI Caption Writer: Turn tier list into social media posts, Reddit titles, X posts, TikTok captions Local autosave: Active draft auto-saves in browser between edits Custom tier rows and ranking criteria to match any topic HD export and social media sizes on Plus and Pro plans Mobile tap-to-rank flow for smaller screens	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	No login required to start: create a draft first, sign in only when you need export, AI, or cloud save Safer drafting with local autosave that protects work during refreshes or accidental tab changes Designed for creators with focus on clean HD exports and reusable cloud projects AI as starting point, not final verdict: full manual control remains	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 +2 (up) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	6	3
Citation Flow (Majestic)	21	23
Referring domains (Majestic)	44	12

5 details filled in for both companies.

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