Best Book Writing Apps in 2025

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

The human brain is non-linear: we jump from idea to idea, all the time. Your second brain should work the same. In Obsidian, making and following connections is frictionless. Tend to your notes like a gardener; at the end of the day, sit back and marvel at your own knowledge graph.

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

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

Website: https://obsidian.md/

Also rated 4.0 ★ on TechRadar

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

Elevate your writing, create beautiful documents, and collaborate with others—anywhere, anytime.

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

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

Website: https://www.microsoft.com/en-us/microsoft-365/word

Also rated 4.0 ★ on TechRadar

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/

Enjoy a distraction-free writing experience, including a full screen mode and a clean interface. With Markdown, you can write now, and format later.

Platforms: Windows, Mac, PC

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

Website: https://ghostwriter.kde.org/

Writemonkey is a Windows zenware writing application with an extremely stripped down user interface, leaving you alone with your thoughts and your words. It is light, fast and free.

Platforms: Windows, PC, Mac

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

Website: https://writemonkey.com/

Also rated 4.0 ★ on TechRadar

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

Scrivener is the go-to app for writers of all kinds, used every day by best-selling novelists, screenwriters, non-fiction writers, students, academics, lawyers, journalists, translators and more.

Platforms: Mac, Windows, iPhone, iPad, PC

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

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

Also rated 4.0 ★ on Reedsy

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

Are you using the right tool to get your novel written? If you want a finished manuscript, you need intuitive novel writing software that keeps you on track and helps you write more novels. Writing a novel is not easy, but it should be simple. Novelize has all the features you need while minimizing distractions. Just write!

Platforms: Online, Chrome

Best for: Outlining, Drafting, Book, and Story

Website: https://www.getnovelize.com/

Also rated 3.5 ★ on PC Magazine

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