Codex Skin vs Chalk

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

Codex Skin compared with Chalk
Detail	Codex Skin	Chalk
What it does	Browse and apply curated themes for Codex Desktop on macOS and Windows	A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 6 published Free themes, free Plugin, offline Restore. Pro: US$9/year (Launch Sale, regularly US$19.90/year before applicable taxes), includes all 17 Pro themes, new releases, compatible updates, theme switching, and offline Restore. Renews annually until canceled. Manual refund requests withi	Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features	Browse curated theme gallery Apply themes from inside Codex Switch or restore themes with confidence Free open-source Plugin Data-only theme packages Automatic rollback on apply failure Offline restore of official interface Device authorization and approval flow Compatible with macOS and Windows Compatibility verification before applying themes	Instant copy-to-clipboard as PNG No accounts or setup required Local-first storage with auto-save Screenshot annotation with arrows, boxes, text, and freehand tools AI diagram generation via Claude, Cursor, Windsurf, and VS Code Refine diagrams through chat Paste screenshot from clipboard Unlimited sketches in one folder Native macOS performance All drawing tools included in free version
What makes it different	Reversible and safe theme changes with offline restoration available without login or active subscription Data-only theme packages that cannot execute code or access conversations and projects No remote DRM or removal of appearance already on user's computer Free themes always available plus affordable Pro subscription with new releases included Compatibility checks and automatic rollback protect workspace integrity	Zero-friction design: open, draw, and share in seconds with no setup or accounts Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask AI integration runs through your own subscription with no proxying of prompts
Community votes	0	0
DR (Domain Rating by Ahrefs)	14 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	18	0
Citation Flow (Majestic)	20	24
Referring domains (Majestic)	41	46

5 details filled in for both companies.

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