Chalk vs Effect Atlas

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

Chalk compared with Effect Atlas
Detail	Chalk	Effect Atlas
What it does	A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams	Web motion effects library with AI-readable code
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Not given
Pricing	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.	Not given
Key features	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	43+ motion modules Cursor effects Hover animations Page transitions Gallery animations Full source code included Copy-paste implementation
What makes it different	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	Code written specifically for AI to read and build from Complete source code provided for every effect Large collection of 43+ pre-built effects
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	24	0
Referring domains (Majestic)	46	0

3 details filled in for both companies.

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