Drawing review and markup platform for architecture, engineering and construction teams
Design system extraction from live websites for AI agents
Stage
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Founded
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Based in
US
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Pricing model
Freemium
Free
Pricing
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
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
Extracts computed styles from rendered websites
Analyzes sites at desktop and mobile sizes in light and dark mode
Matches fonts to @font-face rules
Traces colors back to CSS variables
Generates DESIGN.md files in YAML format
Measures type, spacing, radii and shadows as exact computed values
Publishes raw data as JSON
What makes it different
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
DOM-true values from actually rendered pages, not estimates or screenshots
Designed specifically for AI agents to read and use in coding
Free and requires no account or login
Open to search engines and AI crawlers with no restrictions