Best Book Writing Apps in 2025

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 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 4.5 ★ on TechRadar

Zoho Writer is a fully-featured word processor on the cloud, designed for collaborative work that gives you everything you need to create powerful documents. With a clean UI, intuitive interface and document modes, it introduces you to a new way of writing.

Platforms: Android, Windows, PC, iPad, iPhone

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

Website: https://www.zoho.com/writer/

Also rated 3.4 ★ on Google Play

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

Freedom blocks distractions across all your Mac, Windows, Android, iOS, and Chrome devices so you don’t have to fight off the temptation of distracting pings, notifications, headlines, and emails.

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

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

Website: https://freedom.to/

Also rated 4.4 ★ on Google Play

We’re more than a doc. Or a table. Customize Notion to work the way you do.

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

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

Website: https://www.notion.so/product

Also rated 4.0 ★ on TechRadar

Typing Chimp Character is designed to help fiction writers create better characters, stories, and worlds fast.

Platforms: Windows, Mac, PC

Best for: Outlining, Worldbuilding, Book, and Story

Website: http://www.typingchimp.com/

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/

Ginger is more than a grammar checker, spell checker, and punctuation checker. Ginger is an all-in-one writing tool that includes Rephrase to empower you to write your best in ways that traditional online grammar checkers can’t.

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

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

Website: https://www.gingersoftware.com/

Also rated 4.6 ★ on the App Store

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/

FocusWriter is a simple, distraction-free writing environment. It utilizes a hide-away interface that you access by moving your mouse to the edges of the screen, allowing the program to have a familiar look and feel to it while still getting out of the way so that you can immerse yourself in your work.

Platforms: Windows, PC

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

Website: https://gottcode.org/focuswriter/

Also rated 4.0 ★ on TechRadar

The Novel Factory helps guide new writers through the novel writing process - while completing your first manuscript.

Platforms: Mac, Windows, Online, PC

Best for: Book, Drafting, Outlining, and Story