Space Designer 3D vs ThumbBlitz

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

Space Designer 3D compared with ThumbBlitz
Detail	Space Designer 3D	ThumbBlitz
What it does	Online floor plan maker and 3D interior design tool	Free browser-based Roblox thumbnail maker with no sign-up, no watermark, no AI generation
Stage	Established	Startup
Founded	2009	2026
Based in	FR	Not given
Pricing model	Freemium	Not given
Pricing	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	Free: 3 watermark-free exports a day, no account required. Pro: $4.99/month or $29/year (or $49 lifetime) for unlimited exports and batch export of all sizes at once.
Key features	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	Upload and edit screenshots locally in browser without uploading to server Add bold headline text with outline and shadow effects Drag-and-drop sticker overlay system Export at multiple sizes: 1920×1080, 1280×720, 512×512 8 headline text styles and 38 backdrop presets Support for PNG, JPG and WEBP file formats Export as clean PNG with no watermark or branding Pro plan enables batch export of all sizes in one click 22 free template presets for quick start
What makes it different	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	No account or sign-up required—open the page and start immediately Never uploads your files to a server—all processing happens on your device Not AI-generated—uses your actual screenshot, not synthesized imagery Three free watermark-free exports daily on the free plan Works on any device with a browser—no installation or updates needed
Community votes	0	0
DR (Domain Rating by Ahrefs)	48 −1 (down) since last check	6 no change since last check
Trust Flow (Majestic)	13	7
Citation Flow (Majestic)	35	15
Referring domains (Majestic)	285	7

6 details filled in for both companies.

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