AI-powered online book creator that turns ideas into finished books with professional files
AI writing tool for character headcanons and scene ideas
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Starter $20/month for 200 credits, Creator $50/month for 600 credits, Studio $100/month for 1,500 credits. Yearly plans save 20%. New accounts get 30 free credits to generate and preview a book; downloading files requires a paid plan or credit pack. One credit covers approximately one page (about 40
Free: 50 welcome Sparks for 7 days (up to 5 standard generations). Spark Pack 500: $4.90 (up to 50 standard generations, valid 365 days). Spark Pack Plus 2,000: $14.90 (up to 200 standard generations, 24% less per Spark, valid 365 days).
Key features
Outline planning and structure
AI chapter writing with revision control
AI-generated cover design
Integrated project management
Version history and chapter tracking
Support for various book types
Direct publishing integration with Amazon KDP
Parallel chapter writing for longer manuscripts
Free writing tools (Word Counter and Name Generator)
Generate structured headcanon ideas with premise, emotional logic, and scene hooks
Reroll and rewrite generations with 3 Sparks per rewrite
Save and share headcanons through public share links
Preset prompt angles for common fandom scenarios
Control panel for tone, angles, and canon distance customization
Generate multiple tones for the same character premise
Account-based result storage with persistent access after Sparks expire
What makes it different
Specialist AI agents for each book stage rather than a single general chatbot
Full editorial control with human review at every stage
Complete ownership of all generated content with commercial rights
Templates and tone control built specifically for headcanon generation instead of generic chat
Reusable, structured output designed to be saved and shared with fandom communities
Emotional logic and expandable details for turning ideas into finished fic
Specialized for fandom writers with existing character tension and ships
Focused text-based generation rather than image generation
Bookeen
Margo