Best Book Writing Apps in 2026

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/

Made by writers, for writers, Novlr is the writing platform that will have you achieving your writing goals.

Platforms: Online

Best for: Drafting, Book, Story, and Free

Website: https://www.novlr.org/

Also rated 3.0 ★ on Reedsy

NovelPad's online and offline novel writing software helps you organize, write, and edit your novel anywhere, on any device, from start to finish.

Platforms: Online

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

Website: https://novelpad.co/

Still looking for the perfect app to write your novel? Novelist might just be the perfect tool for the job!

Platforms: Android, iPhone, iPad, Online

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

Website: https://www.novelist.app/

Hemingway makes your writing bold and clear. It's like a spellchecker, but for style. It makes sure that your reader will focus on your message, not your prose.

Platforms: Windows, PC, Mac

Best for: Editing, Proofreading, Book, Essay, Story, Blog, and Free

Website: https://hemingwayapp.com/

Also rated 4.0 ★ on Reedsy

A focused environment where you can write freely. With iA Writer, you can gain unparalleled insight into your writing structure, detect superfluous words and clichés, and navigate through your documents and notes with ease.

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

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

Website: https://ia.net/writer

Also rated 4.0 ★ on PC Magazine

Writer Assistant (Wassi) is an application created specifically for inventors! We all constantly invent new characters for our stories, be it a comic, a novel, a script, a play, or a game. And so that our characters are alive and riveted the attention, they need to be developed a lot! That is what the Writer Assistant was created for! Plus, with Wassi you can easily outline your stories on the go.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Book, Story, and Free

Website: https://apps.apple.com/app/writer-assistant-wassi/id14686...

Also rated 3.9 ★ on the App Store

Whatever kind of writer you are, ProWritingAid will help you improve your writing and get your ideas across more clearly. Our grammar and style checker contains over 3,000 explanations and videos written by our experts, so you don't need to remember all those crazy rules.

Platforms: Mac, Windows, Online, PC, Chrome

Best for: Drafting, Editing, Proofreading, Book, Essay, Story, Blog, and Free

Website: https://prowritingaid.com/

Also rated 4.5 ★ on Reedsy

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

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

LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.

Platforms: Mac, Windows, PC

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

Website: https://www.libreoffice.org/

Also rated 4.0 ★ on TechRadar

Ever scribbled ideas on a piece of paper and drawn lines between related thoughts? Then you already know what Scapple does. It's a virtual sheet of paper that lets you make notes anywhere and connect them using lines or arrows.

Platforms: Mac, Windows, PC

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

Website: https://www.literatureandlatte.com/scapple/overview

Also rated 5.0 ★ on TechRadar