YourNovel.app — Write Complete Books with AI | AI Book Writer & Author Assistant

YourNovel.app is an AI book writer that creates complete novels and books of 100,000+ words (350+ pages) with professional coherence, AND a free Author Assistant that helps existing authors structure, brainstorm, and polish their manuscripts. Holistic Memory AI remembers every detail of your story from start to finish. Write novels, guides, research papers, and essays in English, Spanish, French, Italian, German, or Portuguese. Try free, no credit card required.

The #1 AI Book Writer — Why YourNovel.app?

YourNovel.app is the best AI book writing software for authors who want complete, coherent, publication-ready books without months of work.

How to Write a Book with AI Using YourNovel.app

Writing a book with AI takes just 5 steps: create a free account, define your project (title, genre, synopsis), generate the holistic structure automatically, write each section with one click, and export in DOCX or PDF.

  1. Start free: No credit card required. Create your account in 30 seconds.
  2. Define your book: Choose a title, genre, synopsis, and writing style.
  3. Generate structure: The AI creates your complete chapter-by-chapter outline using Holistic Memory.
  4. Write with Auto-Pilot: The AI writes each section autonomously, maintaining perfect coherence.
  5. Export & publish: Download your finished manuscript in DOCX or PDF format for Amazon KDP.

Plans & Pricing

YourNovel.app offers affordable AI book writing plans starting from €19/month — a fraction of the €5,000–50,000+ cost of a human ghostwriter.

Author Assistant — Free AI Writing Tools for Authors

Already writing your own book? The Author Assistant is a free AI companion that helps you structure, brainstorm, and polish your manuscript. No registration required — start instantly.

Author Assistant Plans

YourNovel.app vs Sudowrite

Sudowrite is great for short fiction in English, but limited to ~30,000 words and requires manual scene-by-scene writing. YourNovel.app generates complete 100,000+ word books autonomously with Auto-Pilot, supports 6 languages, and includes academic citations — features Sudowrite doesn't offer.

YourNovel.app vs ChatGPT for Book Writing

ChatGPT forgets your characters after a few messages and is limited to ~4,000 words per session. YourNovel.app uses Holistic Memory to retain your entire manuscript context across 100,000+ words, with Story Bible and Auto-Pilot mode for fully autonomous book generation.

YourNovel.app vs NovelCrafter

NovelCrafter offers flexibility with AI model selection but requires significant manual context management through its Codex. YourNovel.app automates context entirely with Holistic Memory and offers autonomous book generation with Auto-Pilot mode — no manual context management needed.

Blog — AI Writing Tips & Guides

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Available Languages / Idiomas

Write your book with AI for free → | Escribe tu libro con IA gratis →