Grammarly

Grammarly is the most widely used AI writing assistant for grammar, clarity, tone, and generative drafting across every app and browser.

Overview

Grammarly checks spelling, grammar, punctuation, and style in real time wherever you write, from email clients and docs to chat apps and content management systems. Its tone detector helps writers adjust how their message will land, while generative features can draft, rewrite, shorten, or expand text on command. The premium tier adds full-sentence rewrites, fluency adjustments for non-native writers, and plagiarism detection against billions of web pages. Business plans add brand tones, analytics, and admin controls for teams. Grammarly’s generative features are tuned for workplace communication, producing drafts that respect professional tone by default. The mobile keyboard extends the same corrections to texting and social apps, and the tone detector previews how a message may be received before it is sent. Enterprise analytics help managers understand communication patterns across teams.

Key Features

• Real-time grammar, spelling, punctuation, and clarity suggestions across apps and browsers
• Generative AI for drafting, replying, rewriting, and adjusting tone on demand
• Tone detection and adjustment guidance matched to audience and context
• Plagiarism detection checked against a vast web and academic database
• Full-sentence rewrites and fluency suggestions for non-native English writers
• Brand tones and style guides for consistent team communication on business plans
• Desktop apps, mobile keyboard, and browser extension for coverage everywhere

Pricing

Grammarly is freemium. The free plan covers basic correctness and tone detection, Premium adds clarity, fluency, and plagiarism features per user, and Business plans add team management and brand controls billed per member. Annual billing reduces the monthly price, and family and team plans spread costs across multiple users.

Who Is It For

Grammarly is for anyone who writes in English, from students and job seekers to support teams and executives, especially those who want consistent correctness without changing how they work. Job seekers polishing applications and non-native speakers drafting professional English see especially strong results.

FAQ

Is Grammarly free to use?

Yes, the free plan covers core grammar and spelling checks; Premium unlocks clarity rewrites, fluency, and plagiarism detection. The free plan handles everyday correctness; Premium pays off for anyone writing professionally every day.

Does Grammarly offer an API?

Yes, Grammarly provides a Text Editor SDK for developers who want to embed its writing suggestions into their own web applications. The SDK lets product teams embed Grammarly-grade suggestions directly inside their own text editors.

How does Grammarly compare to alternatives?

Grammarly has the widest app coverage and polish, while ProWritingAid offers deeper style reports and QuillBot leads on paraphrasing. Grammarly’s breadth of app coverage remains unmatched, while rivals specialize in rewriting or long-form analysis.