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Undertone vs Aircad

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

Undertone compared with Aircad
DetailUndertone logo UndertoneAircad logo Aircad
What it doesSee why colors work Precision 2D drafting and 3D modeling with multiplayer editing and AI
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Freemium
PricingFree: Original view, Temperature map, Value structure, Saturation map, Palette and Harmony for every image, 20 analyses at a time. Lifetime Premium: one-time purchase includes Composition guides, Contrast map, tinted value bands, unlimited history, full-res export. No subscription. Free: $0 forever, includes 3 personal files, 3 DWG/DXF conversions monthly, 30 days version history, and 200 AI credits. Pro: $19/month or $190/year (Founder's Club pricing for new accounts until January 31, 2027; standard $29/month or $290/year), includes unlimited files, full version history, and
Key features
  • Palette with proportions showing dominant colors sized by image weight
  • Color harmony identification (Complementary, Analogous, Triadic, Split-complementary, Tetradic, Square, Monochromatic)
  • Temperature map showing warm and cool distribution across image
  • Value structure divided into clear zones (light, mid-tone, dark)
  • Saturation map showing vivid and muted areas
  • Composition guides identifying classic guides like golden ratio and rule of thirds
  • Contrast map showing where the eye lands first (Premium)
  • Painter-friendly color names (Yellow Ochre, Payne's Gray, etc.)
  • Local device processing with no image uploads
  • Works offline with no account required
  • 2D drafting with familiar tools (trim, extend, fillet, offset, hatches, blocks, layers)
  • 3D solid modeling (booleans, fillets, lofts, sweeps, push/pull)
  • Real-time multiplayer editing with live cursors
  • Complete version history with change tracking and restore
  • DWG and DXF import/export with layouts, blocks, dimensions
  • AI agent that drafts, models, renders based on plain language
  • Collaborative commenting and review pinned to drawings
  • GD&T and geometric dimensioning annotations
  • Layouts with viewports, print preview, PDF export
  • JavaScript scripting API for custom commands
What makes it different
  • Shows color proportions, not just colors, recognizing that a 60/5 split is fundamentally different from 50/50
  • Four layers of analysis together show relationships single layers cannot reveal
  • Built by people who actually mix paint with painter-friendly vocabulary
  • Lifetime Premium with single payment, no subscription model
  • All data stays on device, no account signup required
  • Native browser-based CAD with no installation required, always on latest version
  • Unified 2D and 3D workspace with familiar AutoCAD commands and shortcuts
  • AI agent that understands design intent and applies changes as drafts for approval
  • Handles large models with 250,000+ entities while maintaining performance
  • Free viewers and reviewers with paid team model scaling by editors only
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check10 +8 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)3214
Referring domains (Majestic)3110

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