AI-powered online book creator that turns ideas into finished books with professional files
Fix AI writing fast
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: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word
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)
Mark passages and add notes about what's wrong
Flip through rewrites from multiple AI models at once
Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
Preserve undo history and original drafts
Support for TipTap-based editors and built-in document editor
No need for personal API keys
Credit-based pricing with transparent cost estimates
Handle articles up to 6,000 words on Free plan or 15,000 on Pro
Access 2 models on Free plan or up to 5 on Pro plan
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
Never leave your editor—rewrites happen in-place without copy-paste
Only the passages you mark change; the rest of your draft stays exactly as written
Compare rewrites from multiple AI models side by side in one click
Free plan with 100 credits and weekly top-ups, no card required
Preserves full undo history even after accepting rewrites
Bookeen
SwapDraft