Best AI Book & Long Form Tools of 2026

ProWritingAid

prowritingaid.com

#1

Grammar and style editor for novelists wanting in-depth manuscript, plot and character feedback beyond basic proofreading.

Muse by Sudowrite

sudowrite.com

#2

AI writing partner built specifically for fiction, offering tools to draft, describe, expand, and rewrite scenes in a writer's own voice.

Squibler

squibler.io

#3

AI writing assistant for authors and screenwriters to generate full-length book, novel, and screenplay drafts from an idea.

Dabble Book Writing Software

dabblewriter.com

#4

Cloud novel-writing software for fiction authors with plotting tools, distraction-free editor, goal tracking and cross-device sync.

Magical Children's Book

magicalchildrensbook.com

#5

Service that creates personalized children's storybooks from a child's photo and chosen theme, as an eBook or printed hardcover.

novelistAI

novelistai.com

#6

AI platform for writing full novels and gamebooks, generating cover art and turning text into audiobooks across 88+ languages.

Readkidz

readkidz.com

#7

AI platform for creating illustrated children's picture books and story videos with consistent characters and one-click publishing.

Child Book

childbook.ai

#8

Platform for creating personalized AI children's books with consistent characters, illustrations, narration and print-on-demand.

AI Book Generator

aibookgenerator.net

#9

One-click AI generator that drafts full ebooks with covers in 30+ languages, export-ready for Kindle and Kobo.

TailoredRead

tailoredread.com

#10

AI service that writes a custom nonfiction book around a reader's chosen subject, background, and skill level in about 10 minutes.

WebNovel AI

webnovelai.io

#11

Step-by-step AI planning tool that guides LitRPG and web-novel authors from a story hook through outline to draft chapters.

Subtxt

subtxt.app

#12

Dramatica-based story-structure platform that gives fiction writers data-driven analysis of plot coherence and thematic conflict.

My StoryBot

mystorybot.com

#13

AI children's-book generator that creates illustrated stories with consistent characters and print-ready PDF/EPUB exports.

StoryLegend

storylegend.app

#14

Free suite of writer tools — family tree builder, timeline creator, and an AI-assisted writing studio — for novelists.

CoverDesign AI

coverdesignai.com

#15

AI book-cover generator for indie authors that creates 2D covers and 3D mockups from a brief, with refinement tools.

Life Story AI

life-story.ai

#16

AI biographer that interviews you by voice or text and turns family memories into a printed autobiography book.

WriteABookAI

writeabookai.com

#17

AI-native non-fiction book writing platform that helps professionals structure, draft and export a publish-ready manuscript in weeks.

Book AI Writer

bookaiwriter.com

#18

AI writing tool that turns an outline, characters, and chosen style into a full multi-chapter book with cover art.

Dream Kid

dreamkid.ai

#19

AI storyteller that writes, illustrates and narrates personalized books starring your child as the hero.

Scene One

sceneone.app

#20

Browser-based novel-writing app with an AI writing assistant, cloud autosave, and cross-device access for fiction authors.

AIStoryBuilders

aistorybuilders.com

#21

Novel-writing app that grounds AI generation in a story database of characters, locations and timelines.

Manuscript AI

manuscriptai.co

#22

AI manuscript-review service giving non-fiction authors chapter-by-chapter feedback in about two hours for a flat $19.

AI Book Writer

aibookwriter.org

#23

AI writer that generates full manuscripts, covers and chapters with export to Word, PDF and EPUB; free trial available.

Hermes3000

hermes3000.ai

#24

AI writing platform for creating, structuring, and exporting professional books and educational content.