Best Book Writing Apps in 2026

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

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

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

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

Create ebooks for every platform: Kindle, Kobo, Apple Books, and more. Each specialized file can guide readers to buy your next book in their favorite store.

Platforms: Mac

Best for: Publishing, Story, and Book

Website: https://vellum.pub/

Also rated 3.0 ★ on Reedsy

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

FreeOffice 2021 is a complete Office suite with a word processor, a spreadsheet application and a presentation program – all seamlessly compatible with their counterparts in Microsoft Office.

Platforms: Mac, PC, Windows

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

Website: https://www.freeoffice.com/en/

Also rated 4.0 ★ on TechRadar

Do you have a story to tell? Unlike conventional word processors, Storyist helps you track your plot, characters, and settings, and keeps all of your writing organized and accessible—so you can focus on telling your story.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Drafting, Book, and Story

Website: https://storyist.com/

Also rated 4.0 ★ on PC Magazine

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

Don't let your word processor drag your process down. Ironically enough, traditional word processors weren’t designed for writers. Dabble’s book-writing software was developed for writers, by a writer.

Platforms: Mac, Windows, Chrome, PC

Best for: Drafting, Book, and Story

Website: https://www.dabblewriter.com/

If you write thrillers, romance, mysteries, fantasy, sci-fi, young adult, horror or one of a thousand other subgenres, we’d like you to meet our fiction-loving A.I., Marlowe. She can read and critique your work with a comprehensive 36-page report in a matter of minutes and deliver fascinating, actionable insights.

Platforms: Online

Best for: Book, Editing, and Story

Website: https://authors.ai/marlowe/

Create professional print books and eBooks easily with the all-in-one book writing software.

Platforms: Mac, Windows, Chrome, PC

Best for: Drafting, Publishing, Book, and Story

Website: https://www.atticus.io/