Free: unlimited local boards and 3 cloud boards, no card required. Pro: $6.99 per month or $69.99 per year (about 17% less than twelve monthly payments), first month free.
Key features
PNG, SVG, and JPG export formats
Local MathJax rendering with no upload
Copy HTML for inline embedding with alignment
Recent formulas stored in browser
MCP server for Claude, ChatGPT and other AI apps
Real-time collaboration
Infinite canvas with hand-drawn feel
Local-first storage with optional cloud sync
End-to-end encrypted snapshot links
Sketched-shape recognition
Lasso selection
Presentation mode
Version history
Extensible with marketplace extensions
What makes it different
Browser-local rendering with no formula upload for privacy
Three professional export formats for different use cases
Simple focused workflow without full LaTeX editor overhead
Copy-to-clipboard support for seamless workflow integration
AI integration with your own AI via MCP, not built-in
Local-first architecture keeps your data on your device by default
Extensible platform with marketplace and custom extensions