Best Book Writing Apps in 2025

A tactile tool to randomly combine a plot, a subject and a setting or style, the Brainstormer can provide that elusive moment of inspiration for writers, painters, or any kind of creative endeavour.

Platforms: iPhone, iPad

Best for: Brainstorming, Book, and Story

Website: https://www.tapnik.com/brainstormer/

Also rated 3.5 ★ on the App Store

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

Notes is the best place to jot down quick thoughts or to save longer notes filled with checklists, images, web links, scanned documents, handwritten notes, or sketches. And with iCloud, it's easy to keep all your devices in sync, so you’ll always have your notes with you.

Platforms: Mac, iPhone, iPad

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

Website: https://apps.apple.com/us/app/notes/id1110145109

Also rated 3.3 ★ on the App Store

Notes are just the beginning. Create and annotate anything, from study guides to storyboards. We've got an intuitive, minimal interface for you to start in seconds.

Platforms: Mac, iPhone, iPad

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

Website: https://notability.com/

Also rated 4.7 ★ on the App Store

Traditional word processors include dozens of options for formatting text, distracting you from what really matters: writing. Calmly Writer is an editor designed to focus on what you want to tell, with a simple, unobtrusive and ease-to-use user interface.

Platforms: Windows, Mac, Online, Chrome, PC

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

Website: https://www.calmlywriter.com/

Also rated 4.0 ★ on TechRadar

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

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

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/

Stuck in front of a blank page? Need a boost of inspiration? Join us to overcome blocks and push your creativity to the max. With Writing Challenge, you will brainstorm new and fresh ideas and embrace freewriting in the funniest way ever.

Platforms: iPhone, iPad, Mac, Android

Best for: Brainstorming, Story, Book, and Poetry

Website: https://www.writingchallengeapp.com/

Also rated 4.4 ★ on the App Store

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

A minimalist writing zone, where you can block out all distractions and get to what's important. The writing! To get started, all you need to do is delete this text (seriously, just highlight it and hit delete), and fill the page with your own fantastic words. You can even change the title!

Platforms: Online, Chrome

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

Website: https://zenpen.io/

Capture what’s on your mind. Add notes, lists, photos, and audio to Keep.

Platforms: Online, iPhone, iPad, Android

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

Website: https://www.google.com/keep/

Also rated 4.0 ★ on TechRadar