Best Book Writing Apps in 2026

A powerful writing tool from Reedsy. Write and export a beautifully typeset book. This is the beloved app made for authors, by authors.

Platforms: Online, Chrome

Best for: Outlining, Drafting, Editing, Proofreading, Publishing, Book, Poetry, Story, Free, and Worldbuilding

Website: https://reedsy.com/write-a-book

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/

Writer Assistant (Wassi) is an application created specifically for inventors! We all constantly invent new characters for our stories, be it a comic, a novel, a script, a play, or a game. And so that our characters are alive and riveted the attention, they need to be developed a lot! That is what the Writer Assistant was created for! Plus, with Wassi you can easily outline your stories on the go.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Book, Story, and Free

Website: https://apps.apple.com/app/writer-assistant-wassi/id14686...

Also rated 3.9 ★ on the App Store

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

Note down, shape, & share your ideas with the world's best loved digital paper. Fall in love with handwriting all over again with Goodnotes’ digital ink.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Drafting, Book, Story, Journal, and Poetry

Website: https://www.goodnotes.com/

Also rated 4.8 ★ on the App Store

Pages is a powerful word processor that lets you create stunning documents, and comes included with most Apple devices. And with real-time collaboration, your team can work together from anywhere, whether they’re on Mac, iPad, iPhone, or a PC.

Platforms: iPad, Mac, iPhone

Best for: Drafting, Book, Essay, Journal, Poetry, Story, Blog, and Free

Website: https://www.apple.com/pages/

Also rated 3.6 ★ on the App Store

Still looking for the perfect app to write your novel? Novelist might just be the perfect tool for the job!

Platforms: Android, iPhone, iPad, Online

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

Website: https://www.novelist.app/

Campfire is a versatile writing tool organized into modules, each one offering a different type of story element you can create. Keep track of each character's motives, history, eye color, and more. The Characters Module gives you an easy way to make quick notes or detailed character sheets about anyone in your story. Upload your map to the Maps Module, add pins to integrate it with the rest of your story, and nest other maps to keep things organized.

Platforms: Mac, Windows, Online, PC

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

Website: https://www.campfirewriting.com/

Also rated 4.0 ★ on Reedsy

Open to write and follow the prompt suggestions, it's that easy. Good for poetry writing, journal writing, storytelling, narration, cinema, and more. All using a patented artificial intelligence technology.

Platforms: iPhone, iPad

Best for: Brainstorming, Story, Book, and Poetry

Website: https://apps.apple.com/us/app/creative-writing-prompts/id...

Also rated 4.6 ★ on the App Store

Traditional word processors include dozens of options for formatting text, distracting you from what really matters: writing. Calmly Writer is an editor designed to focus on what you want to tell, with a simple, unobtrusive and ease-to-use user interface.

Platforms: Windows, Mac, Online, Chrome, PC

Best for: Drafting, Book, Essay, Journal, Poetry, Story, Blog, and Free

Website: https://www.calmlywriter.com/

Also rated 4.0 ★ on TechRadar

ApolloPad is a feature-packed online writing environment that will help you finish your novels, ebooks and short stories.

Platforms: Online

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

Website: https://apollopad.com/

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