FlowViz vs IconFast

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FlowViz compared with IconFast
Detail	FlowViz	IconFast
What it does	Free live Mermaid diagram editor with no signup required	Free app icon generator for Android, iOS, mobile, and desktop apps
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Live preview as you type 21 diagram types including flowcharts, sequence, class, state, ER, Gantt, git graph, mindmap and timeline Two-way editing for flowcharts SVG and PNG export Share diagrams as URLs with embedded diagram content Built-in template picker and cheatsheet No account or signup required Works entirely in browser with local storage Open Mermaid Live Editor links Mermaid v11 syntax support	Customize colors and graphics Generate from font icons Upload custom images Download as PNG format No design skills required Browser-based tool
What makes it different	No signup, paywall, or data collection required Diagrams stay in your browser's local storage by default Two-way editing that updates code when you edit the canvas Live preview with no render button required Clean SVG export for professional use in docs and slides	Create professional app icons in seconds without design experience Multiple icon generation methods available Intuitive interface for beginners and experts
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 −4 (down) since last check	4 no change since last check
Trust Flow (Majestic)	5	3
Citation Flow (Majestic)	27	21
Referring domains (Majestic)	76	13

4 details filled in for both companies.