Best Book Writing Apps in 2026

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

Bear is a beautiful, flexible writing app for crafting notes and prose.

Platforms: Mac, iPhone, iPad

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

Website: https://bear.app/

Also rated 4.3 ★ on the App Store

Don't let your word processor drag your process down. Ironically enough, traditional word processors weren’t designed for writers. Dabble’s book-writing software was developed for writers, by a writer.

Platforms: Mac, Windows, Chrome, PC

Best for: Drafting, Book, and Story

Website: https://www.dabblewriter.com/

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

The only writing platform with unlimited potential through project management, collaboration, and publishing.

Platforms: Online, Chrome

Best for: Outlining, Drafting, Book, and Story

Website: https://www.squibler.io/

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

SSuite WordGraph is a free and very useful alternative to Microsoft's Word, OpenOffice's Writer, or anything else out there claiming to be the latest and greatest. You don't even have a need for .NET or even JAVA to be installed. This will save you a lot of hard drive space and precious computer resources.

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

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

Website: https://www.ssuiteoffice.com/software/wordgraph.htm

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/

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

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

Story Planner is an easy-to-use and yet powerful tool for plotting novels, screenplays, and any fiction story. It works great for writers, screenwriters, producers, directors, RPG masters … All kinds of storytellers!

Platforms: iPhone, iPad

Best for: Outlining, Drafting, Story, and Book

Website: https://apps.apple.com/us/app/story-planner-outline-your-...

Also rated 4.7 ★ on the App Store