| What it does | A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
| Drawing review and markup platform for architecture, engineering and construction teams
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Freemium
| Freemium
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| 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.
| Desktop license: $89 one-time permanent license for Mac and Windows, includes 1 year of new desktop features. Cloud Free: free tier with 1 workspace, 3 members, 5 documents, 50 AI credits per month. Cloud Pro: $12.50 per user per month (billed annually) with unlimited workspaces, 3 members per works
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| 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
| - Desktop app for Mac and Windows with local PDF markup tools
- Cloud-based collaboration with real-time cursor visibility
- Calibrated measurement tools for metric and imperial scales
- Version history and version control across drawing revisions
- Dropbox and Google Drive integration
- Collaborative whiteboards for sketching and design exploration
- RFI and punch list tracking with file attachments
- Support for large multipage construction drawing sets up to 200 MB
- Revision bubbles and hatch fills for clear markup annotation
- Works on Mac, Windows, iPad and mobile devices in browser
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| 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
| - Built specifically for AEC teams with purpose-built markup and measurement tools
- Connects to file storage teams already use without requiring file migration
- Collaboration without requiring accounts from contractors and clients
- Markup permanently tied to drawings and preserved across revisions
- One-time desktop license with no subscription required for local PDF tools
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 24 | 12 |
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| Referring domains (Majestic) | 46 | 2 |
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Chalk
Deta Studio