Turn a one-paragraph brief into a typeset nonfiction book with AI-generated chapters, guided editing, and publication-ready files
Turn Substack articles into viral social posts
Stage
Startup
Startup
Founded
Not given
2025
Based in
AE
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan: 60 promotional Book Credits once, no card required. Creator plan: $29/month with 350 Book Credits. Author plan: $49/month with 850 Book Credits. Studio plan: $99/month with 2,200 Book Credits. Top-up packs: Small $12 for 100 credits, Medium $49 for 500 credits, Large $119 for 1,500 credit
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
AI-generated chapter outlines with user approval
Generate up to 40,000 words of AI-drafted chapters
Rewrite, expand or shorten individual passages
Add up to 10 sources as PDFs, text or web pages
Fact-checking read-through that flags unsupported claims
Public book pages with reader email capture
AI cover generation from book brief
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
What makes it different
Read a free sample chapter and outline before paying
You retain full ownership of all generated files and can publish anywhere
Fixed credit prices shown before each action starts
AI content disclosure checklist for Amazon KDP compliance
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
Chapbook
Quick Viral Notes