Best Book Writing Apps in 2025

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

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

Plot your next masterpiece with Pluot, the writing planner packed with features and there for you whenever inspiration strikes.

Platforms: Android

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

Website: https://pluotstudios.com/

Also rated 4.3 ★ on Google Play

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

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

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