Best Editing Writing Apps in 2025

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/

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/

Terminology is a browser for the English language – part dictionary, part thesaurus and part research tool. Terminology makes it easy to explore words and phrases, diving down to more and less specific terms - accessing the web and other apps for more detail and sharing.

Platforms: Mac, iPhone, iPad

Best for: Editing, Proofreading, and Essay

Website: https://apps.apple.com/us/app/terminology-dictionary/id68...

Also rated 4.7 ★ on the App Store

LanguageTool’s multilingual grammar, style, and spell checker is used by millions of people around the world.

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

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

Website: https://languagetool.org/

Also rated 4.8 ★ on the App Store

CorrectEnglish® teaches you to write like an A+ student. Train your instincts with instant feedback, and great writing will come naturally the more you use the tool.

Platforms: Online

Best for: Editing, Proofreading, Essay, and Free

Website: https://www.correctenglish.com/

Keep peace of mind knowing your team's content is perfect.

Platforms: Online

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

Website: https://linguix.com/

Also rated 4.6 ★ on Capterra

Slick Write is a powerful, free application that makes it easy to check your writing for grammar errors, potential stylistic mistakes, and other features of interest. Whether you're a blogger, novelist, SEO professional, or student writing an essay for school, Slick Write can help take your writing to the next level.

Platforms: Online

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

Website: https://www.slickwrite.com/

Also rated 4.4 ★ on Capterra

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