Ultramock vs Chalk

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

Ultramock compared with Chalk
Detail	Ultramock	Chalk
What it does	Premium product visuals for apps, websites and SaaS	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: $0 with core creative editor, basic 3D models, watermarked image and video exports (720p 30fps landscape, 3 per 24 hours). Pro (monthly): $20/mo with unlimited watermark-free exports up to 4K, transparent images and videos, premium 3D models, custom 3D scenes, full asset library and MCP contro	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	Detailed 3D device models and custom 3D scenes Depth of field, bloom, grain and colour effects Camera animation and image or video export Transparent image and video export options on Pro Starter templates and cloud projects Chrome extension for capturing browser tabs Up to 5120 px image and 3840 px video export Save and reuse custom templates on Pro	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	No installation required - runs entirely in the browser Real 3D rendering with professional depth of field and lighting Focused workflow from screenshot to finished visual Professional motion and effects without After Effects or motion designer	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)	26 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	27	24
Referring domains (Majestic)	89	46

5 details filled in for both companies.

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