Best Book Writing Apps in 2025

Lists for Writers is a great addition to any writer’s toolbox. Helpful to both novice and expert writers alike, this app delivers list after list of prompts and ideas for your brainstorming sessions: names, character traits, plot lines, occupations, obsessions, action verbs, and much more!

Platforms: iPhone, iPad, Android

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

Website: https://thinkamingo.com/lists-for-writers/

Also rated 4.7 ★ on the App Store

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 4.5 ★ on TechRadar

Create beautiful handwritten notes, sketch your ideas, record audio, and organize your notes like never before.

Platforms: Mac, iPhone, iPad, Android

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

Website: https://www.noteshelf.net/

Also rated 4.4 ★ on the App Store

Start your book, plot your book, write your book, organize your book, and export it for publishing all in one place. Leave your word processor in the dust.

Platforms: Online, Windows, Mac, iPhone, iPad, PC

Best for: Outlining, Drafting, Publishing, Book, and Story

Website: https://livingwriter.com/

Also rated 3.5 ★ 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

A powerful writing tool from Reedsy. Write and export a beautifully typeset book. This is the beloved app made for authors, by authors.

Platforms: Online, Chrome

Best for: Outlining, Drafting, Editing, Proofreading, Publishing, Book, Poetry, Story, and Free

Website: https://reedsy.com/write-a-book

Also rated 4.6 ★ on Trustpilot

The Internet's best write-reward system! Write one hundred words, get an image of a kitten!

Platforms: Online

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

Website: https://writtenkitten.co/

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/

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

Hanx Writer expands recreating the permanence of a typewriter with the convenience of your iPad and iPhone. As ever, the report of SHOOK SHOOK and KLOCK-KLOCK is mated with the luxuries of the DELETE key.

Platforms: Mac, iPhone, iPad

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

Website: http://hanxwriter.com/

Also rated 3.7 ★ on the App Store

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

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/