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FlowViz vs Space Designer 3D

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 Space Designer 3D
DetailFlowViz logo FlowVizSpace Designer 3D logo Space Designer 3D
What it doesFree live Mermaid diagram editor with no signup required Online floor plan maker and 3D interior design tool
StageNot given Established
FoundedNot given 2009
Based inNot given FR
Pricing modelFree Freemium
PricingNot given Starter: Free (1 project, basic catalog, PNG/JPG/PDF exports, 10 credits/month). Premium: $25/month or yearly with 5-day free trial (200 credits/month, 25 projects, 2,500+ furniture items). Ultimate: $45/month or yearly with 5-day free trial (370 credits/month, unlimited projects, 4,500+ furniture i
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
  • 2D floor plan drawing with walls, doors, windows and measurements
  • Real-time 3D visualization from 2D drawings
  • Thousands of real furniture items and materials
  • Photorealistic rendering in HD, 4K and 8K
  • AI-powered image enhancement and automatic lighting
  • Multi-format export including PDF, DXF, PNG and JPG
  • Room areas and dimensions automatically calculated
  • Multi-level floor design with stairs and roofs
  • Team collaboration and project sharing with roles
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
  • No installation required - runs entirely in your browser
  • Used by 6 million+ people worldwide since 2010
  • Automatic 2D to 3D conversion keeping both in sync
  • One-click photorealistic rendering with AI optimization
  • Built by architects for professional and consumer use
Community votes00
DR (Domain Rating by Ahrefs)10 −4 (down) since last check49 −1 (down) since last check
Trust Flow (Majestic)513
Citation Flow (Majestic)2735
Referring domains (Majestic)76285

4 details filled in for both companies.

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