Best Book Writing Apps in 2026

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

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

Track your progress. Stay accountable. Finish your drafts.

Platforms: Online, Chrome

Best for: Drafting, Book, and Story

Website: https://www.writinganalytics.co/

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

Polish & improve your novel. Identify word and phrase over-use. Monitor adverbs and clichés, crutch words and phrases. Improve sentence structure and punctuation.

Platforms: Windows, PC

Best for: Editing, Proofreading, Book, and Story

Website: https://smart-edit.com/

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

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

WriteItNow is designed to help anyone writing a novel. Keep the novel text and all the background information in one place. Each novel is saved in a single file, and the program has two main sections: one for chapters and scenes and the other for background details

Platforms: Windows, Mac, PC

Best for: Drafting, Book, and Story

Website: https://www.ravensheadservices.com/about.html

The #1 text to speech solution for personal, commercial, and educational use.

Platforms: Online, iPhone, iPad, Android

Best for: Editing, Story, Book, Blog, Journal, and Free

Website: https://www.naturalreaders.com/

Also rated 4.0 ★ on TechRadar

Open to write and follow the prompt suggestions, it's that easy. Good for poetry writing, journal writing, storytelling, narration, cinema, and more. All using a patented artificial intelligence technology.

Platforms: iPhone, iPad

Best for: Brainstorming, Story, Book, and Poetry

Website: https://apps.apple.com/us/app/creative-writing-prompts/id...

Also rated 4.6 ★ on the App Store

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

Storyline Creator is an elegant writing tool that helps you streamline your writing process. It's incredibly fun to draft ideas, to visualize, enhance and organize your stories - so you can focus on your plot and the creativity instead of the paper war.

Platforms: Online

Best for: Outlining, Book, Story, and Free

Website: https://www.storylinecreator.com/