Best Book Writing Apps in 2026

The only online writing and editing platform that guides your hand based on data from real, bestselling books, AutoCrit is built to match the genuine demands of publishing professionals and discerning readers.

Platforms: Online

Best for: Outlining, Drafting, Proofreading, Book, Story, and Free

Website: https://www.autocrit.com/

Also rated 4.0 ★ on TechRadar

Lists for Writers is a great addition to any writer’s toolbox. Helpful to both novice and expert writers alike, this app delivers list after list of prompts and ideas for your brainstorming sessions: names, character traits, plot lines, occupations, obsessions, action verbs, and much more!

Platforms: iPhone, iPad, Android

Best for: Note-taking, Outlining, Drafting, Book, Story, and Essay

Website: https://thinkamingo.com/lists-for-writers/

Also rated 4.7 ★ on the App Store

Publisher Rocket will help you get your book in front of more Amazon shoppers so you can spend less time marketing and more time writing.

Platforms: Online

Best for: Publishing, Book, and Story

Website: https://publisherrocket.com/

Start your book, plot your book, write your book, organize your book, and export it for publishing all in one place. Leave your word processor in the dust.

Platforms: Online, Windows, Mac, iPhone, iPad, PC

Best for: Outlining, Drafting, Publishing, Book, and Story

Website: https://livingwriter.com/

Also rated 3.5 ★ on the App Store

Whatever kind of writer you are, ProWritingAid will help you improve your writing and get your ideas across more clearly. Our grammar and style checker contains over 3,000 explanations and videos written by our experts, so you don't need to remember all those crazy rules.

Platforms: Mac, Windows, Online, PC, Chrome

Best for: Drafting, Editing, Proofreading, Book, Essay, Story, Blog, and Free

Website: https://prowritingaid.com/

Also rated 4.5 ★ on Reedsy

Writing can be so much fun when our creative juices are flowing. Cultivating this flow is why ilys exists -- to release within you a gushing torrent of latent creative-potential as your writing explodes through the box that once constrained it.

Platforms: Online

Best for: Drafting, Book, Story, and Poetry

Website: https://www.ilys.com/welcome

Ever scribbled ideas on a piece of paper and drawn lines between related thoughts? Then you already know what Scapple does. It's a virtual sheet of paper that lets you make notes anywhere and connect them using lines or arrows.

Platforms: Mac, Windows, PC

Best for: Note-taking, Outlining, Journal, Book, Story, Essay, Poetry, and Blog

Website: https://www.literatureandlatte.com/scapple/overview

Also rated 5.0 ★ on TechRadar

With our writing tools you can track your progress thus far, plan your novel, write your novel and be able to focus on what matters for you the most: FINISHING THE DAMN BOOK!

Platforms: Android

Best for: Outlining, Worldbuilding, Book, Story, and Free

Website: https://play.google.com/store/apps/details?id=net.ajp_gam...

Also rated 4.0 ★ on Google Play

Don't let your word processor drag your process down. Ironically enough, traditional word processors weren’t designed for writers. Dabble’s book-writing software was developed for writers, by a writer.

Platforms: Mac, Windows, Chrome, PC

Best for: Drafting, Book, and Story

Website: https://www.dabblewriter.com/

Create professional print books and eBooks easily with the all-in-one book writing software.

Platforms: Mac, Windows, Chrome, PC

Best for: Drafting, Publishing, Book, and Story

Website: https://www.atticus.io/

Every character has stories and every World has histories. Planning and building a story cannot be easier with the help of this app. It helps the writer planning the story and the development of characters, relations, groups, races, creatures, etc.

Platforms: Android

Best for: Worldbuilding, Book, Story, and Free

Website: https://play.google.com/store/apps/details?id=lfantasia.n...

Also rated 3.9 ★ on Google Play

Write more than ever before! Your words have the power to defeat monsters! Discover over 500 unique monsters that will push your writing to the next level!

Platforms: Online

Best for: Drafting, Book, and Story

Website: https://4thewords.com/