Free plan available with core features. Annual plan at $19 USD with unlimited mind maps and watermark-free export. Lifetime plan at $39 USD for one-time payment with permanent access and updates.
Not given
Key features
AI-powered content generation for brainstorming
Local data storage with no tracking
Outline mode for rearranging thoughts
S3 cloud sync for cross-device access
Markdown and LaTeX support
Flexible tag organization system
Import from M10C and other external tools
MCP integration and AI API connections
Ad-free experience
Cross-platform support including mobile
Three-coin casting method for generating six-line charts
Rule-based chart calculation with stem-branch assignment
Optional AI-assisted interpretation of results
AI follow-up questions and conversation feature
Local browser storage for reading history
Hexagram judgments and images reference
Multi-language support including English, Chinese and Spanish
What makes it different
Lightweight at under 20MB with no performance compromises
Complete data privacy with local-only storage
AI integration that respects user privacy
Open-source core for transparency and customization
Pay-once lifetime option with permanent updates
Transparent rule-based chart calculation that AI cannot alter
All charting happens locally in your browser for privacy