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sukuji vs Chalk

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

sukuji compared with Chalk
Detailsukuji logo sukujiChalk logo Chalk
What it doesFree App Store Screenshot Generator A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
StageNot given Not given
FoundedNot given Not given
Based inJP Not given
Pricing modelFreemium Freemium
PricingFree tier includes one set of 5 screenshots with watermark (3 ready to use) in English or Japanese. Paid packs: 10 generations for $9 one-time, or 50 generations for $29 one-time. Both paid packs include multiple languages, iPad and iPhone Duo sizes, 7 shots per set, and no watermark. 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
  • Automatic headline generation
  • Supports multiple languages
  • iPhone, iPad and iPhone Duo support
  • No watermark on paid plans
  • App Store Connect ready
  • Upload up to 3 screenshots
  • Generates 5 screenshots per set
  • 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
  • Headlines are drawn by code so text never breaks across lines
  • Free with no sign-up required
  • Completes in 1-2 minutes per set
  • One-time purchases instead of subscriptions
  • 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 votes00
DR (Domain Rating by Ahrefs)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1924
Referring domains (Majestic)546

5 details filled in for both companies.

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