Drawing review and markup platform for architecture, engineering and construction teams
Stage
Startup
Not given
Founded
2026
Not given
Based in
Not given
US
Pricing model
Freemium
Freemium
Pricing
Free: 100 React charts in Hearth collection, MIT licensed. Figma: $149 once. Code: $249 once. Complete: $349 once. All prices include every update.
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
Key features
100+ chart types organized by question
Four responsive sizes (XS, S, M, L) that re-layout from data
Identical names and props in Figma and React
Light and dark color modes
900+ size and legend variants
MCP server for AI code agents
Sector-specific datasets included
Ready-made dashboard blocks and compositions
Private registry and GitHub repository access
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
What makes it different
Same chart name and properties in both Figma design files and React code
Charts re-layout responsively instead of scaling, keeping text readable at all sizes
Pay once with all future updates included, no subscription
Integrated with shadcn and available via MCP for AI agents
100 charts free in React under MIT license
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