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Chalk vs mockiso

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 mockiso
DetailChalk logo Chalkmockiso logo mockiso
What it doesA native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams Turn app screenshots into photorealistic 3D device mockups in seconds
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: $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. Free: 3 saved projects, 3 screenshots per project, unlimited exports up to 4K, no commercial use. Pro: $7/month or $84/year (save 22%) — 50 saved projects, 20 screenshots per project, unlimited 8K exports, commercial use, no watermark. Studio: $19/month or $228/year — unlimited projects and screensh
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
  • 129+ device models (iPhones, Android phones, tablets, foldables, laptops, monitors, watches, TVs)
  • Real 3D models with beveled glass, metal frames and camera modules
  • Studio lighting with movable key light and exposure control
  • Soft shadows with adjustable softness, distance and strength
  • Camera lens zoom 24–135 mm with rotation controls
  • Single, duo and trio screen layouts with caption support
  • Up to 8K export (8192 px) as PNG, JPEG or WebP
  • Presets for App Store, Google Play, Instagram, Twitter/X, Dribbble and more
  • Saved projects to edit and revisit anytime
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
  • Real 3D rendering instead of flat templates with accurate perspective from any angle
  • Studio-grade lighting and shadows without photography equipment or post-processing software
  • Full browser-based workflow with no plugins or software installation required
  • Extensive device library with 129 models and 440 finishes, regularly updated
  • Up to 8K export resolution with ZIP download of all angles
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)2417
Referring domains (Majestic)462

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