Best Book Writing Apps in 2026

Made by writers, for writers, Novlr is the writing platform that will have you achieving your writing goals.

Platforms: Online

Best for: Drafting, Book, Story, and Free

Website: https://www.novlr.org/

Also rated 3.0 ★ on Reedsy

Werdsmith turns your iPhone, iPad, Mac and Apple Watch into a powerful writing studio that inspires you to write. With features to motivate you and help you break through writer‘s block, you‘ll find yourself writing more than ever.

Platforms: iPad, Mac, iPhone

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

Website: https://werdsmith.com/

Also rated 4.7 ★ on the App Store

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/

Compose bold, clear, mistake-free writing with Grammarly. Work with an AI writing partner that helps you find the words you need⁠—⁠to write that tricky email, to get your point across, to keep your work moving.

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

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

Website: https://www.grammarly.com/

Also rated 4.4 ★ on the App Store

Most writers have at least one old notebook lying around somewhere, full of old story ideas, interesting characters, enchanting locations, or a myriad of other margin-scribbled thoughts. Notebook.ai is a worldbuilding tool that organizes, saves, and helps in fully fleshing out your fictional world, your way.

Platforms: Online, Chrome

Best for: Worldbuilding, Book, Story, and Free

Website: https://www.notebook.ai/

The simplest way to keep notes. All your notes, synced on all your devices.

Platforms: Windows, iPhone, iPad, Android, Mac, PC, Chrome, PC

Best for: Note-taking, Drafting, Book, Story, Journal, and Free

Website: https://simplenote.com/

Also rated 4.0 ★ on TechRadar

The best outlining app for your best work. Where brilliant ideas are captured, fleshed out, and realized.

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

Best for: Outlining, Book, Story, Blog, Essay, and Free

Website: https://dynalist.io/

Also rated 4.2 ★ on Google Play

Outline faster, organize smarter, and turbocharge your productivity today with the #1 visual book planning software for writers.

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

Best for: Outlining, Book, and Story

Website: https://plottr.com/

Also rated 3.0 ★ on Reedsy

yWriter is a word processor which breaks your novel into chapters and scenes, helping you keep track of your work while leaving your mind free to create. yWriter was designed by an author, not a salesman!

Platforms: Windows, Android, iPhone, iPad, PC

Best for: Drafting, Book, Story, and Free

Website: http://www.spacejock.com/yWriter7.html

Also rated 3.5 ★ on PC Magazine

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

So, You’re looking to write a book. Well, wavemaker is here to help. It’s much much more than a text editor.

Platforms: Mac, Windows, Chrome, Android, Online, PC

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

Website: https://wavemaker.cards/

Also rated 3.7 ★ on Google Play

A focused environment where you can write freely. With iA Writer, you can gain unparalleled insight into your writing structure, detect superfluous words and clichés, and navigate through your documents and notes with ease.

Platforms: Mac, iPhone, iPad, Windows, Android, Chrome, PC

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

Website: https://ia.net/writer

Also rated 4.0 ★ on PC Magazine