AI Tools
Best AI Book Writing Software in 2026
A book project can involve outlining, drafting chapters, maintaining continuity, and preparing a manuscript for export. Compare the chapter workspace and rewrite controls alongside book outlining and continuity tools to see what support is specified across those stages.
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BookBud.ai It suits nonfiction and fiction authors, as well as coaches, consultants, educators and creators developing books.
From $15.83/mo Free plan Web9.0 Visit Specs - 02
Calliope Calliope suits novelists who want organizational and research assistance while writing their own prose.
From €8.25/mo Free plan Web · API9.0 Visit Specs - 03
Jenova Creative Fiction Writer Jenova recommends it for writers building research-dependent novels across multiple sessions who want to switch among AI models.
From $20/mo Free plan Web · iOS · Android · API9.0 Visit Specs - 04
Pendraic Pendraic suits fiction writers planning and revising longer work who want story structure and worldbuilding linked to their prose.
From $14.99/mo Free plan Web · Windows · macOS · API8.7 Visit Specs - 05
Loreon Loreon suits novelists writing long or serialized fiction, including fantasy, science fiction, historical fiction, mystery, thriller, sagas, and multi-generational stories.
Free plan Web8.6 Visit Specs - 06
AIWriteBook Audiobook Studio It suits writers producing books and audiobooks, including publishing agencies and ghostwriters on the Ultra plan.
From $12/mo Free plan Web · Browser extension8.4 Visit Specs - 07
Automateed Automateed suits authors and self-publishers who want book planning, drafting, editing, design, and export in one workflow.
Free trial Web · iOS · Android8.4 Visit Specs - 08
Novelcrafter It suits authors who want tools for organizing story details, planning scenes, and writing long-form work across devices.
From $4/mo Free trial Web · iOS · Android8.3 Visit Specs - 09
AI Novel Studio It is aimed at authors who want support with outlining, drafting, editing, and KDP preparation, including people new to writing.
Free plan Web8.2 Visit Specs - 10
DeepQuill DeepQuill suits novelists who want manuscript drafting, story organization and continuity tools in one desktop app.
From $3.33/mo Free plan Windows · macOS8.2 Visit Specs - 11
NovelAI NovelAI suits writers who want AI-assisted long-form stories and users creating anime-style images.
From $10/mo Free trial Web · iOS · Android8.2 Visit Specs - 12
Squibler From $29.99/mo Free plan Web8.2 Visit Specs - 13
Bookwiz It suits authors who want context-aware help with book drafting and revision, including experts, coaches, founders, indie authors, and novelists.
From $14/mo Free plan Web8.1 Visit Specs - 14 Bulbon AI
It suits authors, coaches, consultants, and subject-matter experts creating nonfiction.
From ₹3,199/mo Free plan Web8.1 Visit Specs - 15
Keter Labs Keter Labs suits creative teams, marketers, founders, agencies and production groups making campaign assets, product visuals, clips, audio, music or 3D outputs.
From $29/mo Free plan Web · API8.0 Visit Specs - 16 Kosmos
Kosmos is aimed at nonfiction authors who want a structured book-production process and are willing to provide beta feedback.
Free plan Web8.0 Visit Specs - 17
FireQuill It suits long-form fiction and non-fiction writers who want scene-level character tracking and editorial checks.
From $10/mo Free plan Web7.9 Visit Specs - 18
Sudowrite From $10/mo Free trial Web · iOS · Android7.9 Visit Specs - 19 Manuscripts.ai
It suits authors, novelists, researchers, and storytellers who want writing, planning, editing, and continuity tools in a web workspace.
From $25/mo Free plan Web7.8 Visit Specs - 20
Novellum From $15/mo Free plan Web7.7 Visit Specs - 21 Quillstone
It is designed for serious nonfiction work such as reporting, biography, narrative history, manuals, textbooks, essays, and research-led books.
Free plan macOS · iOS7.7 Visit Specs - 22 First Book ai Web7.6 Visit Specs
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Novilot From $19/mo Free plan Web7.6 Visit Specs - 24 Scriptorium Free plan Windows7.6 Visit Specs
- 25 ShyEditor From $10/mo Free plan Web7.6 Visit Specs
Maximum words and export formats can help you check fit for your project and intended handoff. Pendraic, Jenova Creative Fiction Writer, and Automateed are options to consider. Free-plan availability and paid-from pricing round out the details, so you can weigh writing features against how you expect to work on and deliver a book.