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From a spark of an idea to a publish-ready book.
Write the book only you could write.
Describe your idea — in one line or twenty pages. Our AI turns it into characters, places, events and story arcs, then writes it chapter by chapter in your style.
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Extract structure automatically
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Drag & drop events into chapters and arcs
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Track every change like git
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Generate chapter by chapter in your style
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Export for Amazon KDP and beyond
Pricing
Starter
20€/month
2 books / month
Pro
45€/month
5 books / month
Unlimited
99€/month
Unlimited books · 4 500 AI credits
Lifetime
590€
Unlimited books
Frequently asked questions
How does BookWriter write my book?
You describe your idea (or let AI generate one). We extract a full structure — characters, places, chapters, events, story arcs — that you can edit, then the AI writes it chapter by chapter in your style, keeping continuity with the previous chapters.
Which AI models can I use?
Any model available on OpenRouter. You can even pick a different model for planning and for writing. The list stays up to date automatically.
Can I publish on Amazon KDP?
Yes. Export your finished manuscript as EPUB, DOCX, HTML or plain text, with cover and back-cover blurb, ready for Amazon KDP and other platforms.
How does pricing work?
Plans include monthly AI credits: Starter (20€) gives 2 books/month, Pro (45€) gives 5. Unlimited (99€/month) is unlimited with 45€ of credits/month, and the Lifetime plan (590€) is unlimited forever with a one-time credit bonus. You only consume credits when the AI runs.
Do I keep control of the text?
Completely. Every item and every generated chapter is fully editable before and after generation, and a git-like history tracks every change until you validate it.