Subframe

Design canvas, coding agent and built-in browser in one macOS app (also on the web). The canvas is made of real HTML/React elements. It runs Claude Code or Codex on your own subscription to design and implement UI directly in your codebase with your components and tokens.

Information

Type: AI-first
Usage: 1.8%
Platform
Cost: $ 240
Pricing: Pro, $20 per editor/month (billing period not stated)

Features

FreeFree plan

AIClaude Code/Codex agent designs and codes on canvas

OfflineCode stays local; canvas lives in cloud

Pen ToolNot confirmed

CollaborationMultiplayer with team and agents

CommentsThreaded comments on elements

HandoffReact/Tailwind in your codebase

ArtboardsInfinite canvas

SymbolsComponents with props, slots, variants

3D TransformNot documented

ResponsiveLayers map to responsive flex code

PrototypingShare prototypes; coded, not hotspot-based

Subframe is a UI Design tool for Mac and Web. A paid plan costs about $240 a year, and there is a free plan. In our comparison it supports AI, collaboration, comments, handoff, artboards, symbols and responsive. Offline and Prototyping are only partly supported. It does not offer 3D Transform.

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