Best Book Writing Apps in 2026

Writing can be so much fun when our creative juices are flowing. Cultivating this flow is why ilys exists -- to release within you a gushing torrent of latent creative-potential as your writing explodes through the box that once constrained it.

Platforms: Online

Best for: Drafting, Book, Story, and Poetry

Website: https://www.ilys.com/welcome

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/

iWriter Pro is elegant and minimalist text editor with built-in MultiMarkdown support. Distraction-free and subscription-free.

Platforms: Mac, iPhone, iPad

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

Website: https://serpensoft.info/

Also rated 4.8 ★ on the App Store

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/

Every character has stories and every World has histories. Planning and building a story cannot be easier with the help of this app. It helps the writer planning the story and the development of characters, relations, groups, races, creatures, etc.

Platforms: Android

Best for: Worldbuilding, Book, Story, and Free

Website: https://play.google.com/store/apps/details?id=lfantasia.n...

Also rated 3.9 ★ on Google Play

The only online writing and editing platform that guides your hand based on data from real, bestselling books, AutoCrit is built to match the genuine demands of publishing professionals and discerning readers.

Platforms: Online

Best for: Outlining, Drafting, Proofreading, Book, Story, and Free

Website: https://www.autocrit.com/

Also rated 4.0 ★ on TechRadar

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

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 4.0 ★ on TechRadar

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

Manuskript is a perfect tool for those writer who like to organize and plan everything before writing. The snowflake method can help you grow your idea into a book, by leading you step by step and asking you questions to go deeper.

Platforms: Mac, Windows, PC

Best for: Outlining, Story, Book, and Free

Website: https://www.theologeek.ch/manuskript/

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

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