Chalk vs VisualFormat

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 VisualFormat
Detail	Chalk	VisualFormat
What it does	A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams	Free GIF tools for cropping, resizing, compression, background removal, frame extraction, and video conversion
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
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	Not given
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	All processing happens locally in browser with no file uploads No accounts, watermarks, software installation or AI required Preserves complete animation frames with precise editing controls
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 +2 (up) 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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