Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Free trial: 7 days with 500 KI-Credits, no credit card required. Pro: $20/month ($16.67/month billed yearly) with 2,000 KI-Credits per month. Scholar: $60/month ($50/month billed yearly) with 6,000 KI-Credits per month, team of 6 people included, additional seats $10/person/month. KI-Credit packages
Key features
TYPE-FORMULA pipeline that extracts insight types (diagnostic, wisdom, contrarian, data-backed, framework, story) and applies viral structures
Knowledge Bank to store, browse, and reuse extracted insights
10+ viral formula structures including parallel repetition, conditional framework, and bridge analogy
Chrome extension for scheduling posts directly to Substack
Rich-text editor with HTML and plain text export
MCP integration for Claude and Cursor
Automatic article URL processing from published or draft posts
Priority processing for paid plan users
PDF and EPUB reader with highlighting and annotations
Automatic source attribution for notes
Support for 10,000+ citation styles including APA, IEEE, GB/T 7714
AI-assisted writing from verified sources
Import from Zotero, BibTeX, and RIS
Import notes from Obsidian Vault and Notion
Real-time collaboration with role-based permissions
Infinite whiteboard for visual thinking and organization
What makes it different
Designed specifically for Substack writers with formulas trained on viral patterns
Two-stage TYPE-FORMULA process instead of generic AI summarization
Knowledge Bank compounds over time as more articles are processed
From URL to scheduled post in minutes with no copy-paste needed
Credits never expire at your own publishing pace
Unified workflow from reading to submission with traceable source attribution for every statement
Persistent knowledge tree that grows across projects, with AI-powered connection discovery
AI writing that only drafts from user's own verified sources, maintaining research integrity
Repurpose sourced notes into posters, slides, infographics without re-typing
Offline writing with automatic synchronization across devices and team members