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Grammarly

by Grammarly

Grammar, tone, and clarity checks across the web.

Writing & Content Free tier, paid Premium/Business plans

What is Grammarly?

Grammarly is a writing assistant that checks grammar, spelling, tone, and clarity wherever you type: email, docs, social media, and more, via a browser extension and desktop app. Its AI features now also help rewrite and generate text, not just correct it.

Key features

  • Real-time grammar, spelling, and punctuation checks everywhere you type
  • Tone detection and suggestions to match your intended audience
  • AI-powered rewriting and generation for emails and documents
  • Plagiarism checking on paid plans
  • Browser extension, desktop app, and integrations with major writing tools

How to get started

  1. Install the browser extension or desktop app
  2. Sign up for a free account (Premium adds advanced suggestions)
  3. Write anywhere and review inline suggestions as they appear
  4. Use the AI assistant to rewrite or generate text on demand

Grammarly pricing

The free tier covers core grammar and spelling checks everywhere you type; Premium adds tone, clarity, and full-sentence rewrites, and Business adds team style guides and admin controls.

PlanPriceBest for
Free$0Basic grammar and spelling
Premium~$12/moTone, clarity, and rewrite suggestions
Business~$15/user/moTeam style guides and admin controls

Our take: The free plan covers basic proofreading well. Pay for Premium mainly for the rewrite and tone features.

Prices change often. Check the official site above for current rates before you commit.

Use cases

  • Catching grammar and clarity issues in everyday writing
  • Adjusting tone for professional emails
  • Academic writing and plagiarism checks
  • Consistent style across a team's written communication

Grammarly alternatives

  • QuillBot: QuillBot focuses more on paraphrasing and rewriting than real-time grammar checking as you type.
  • Wordtune: Wordtune leans more toward tone and phrasing suggestions for shorter pieces.
  • ChatGPT: ChatGPT can rewrite and draft from scratch, but doesn't check your writing in real time as you type elsewhere on the web.
  • Jasper: Jasper is built for team marketing content at scale, not personal grammar and tone checking.

FAQ

Is Grammarly free to use?

Grammarly's plans: Free tier, paid Premium/Business plans. Pricing and free-tier limits change over time, so check the official site above for the latest details.

What is Grammarly used for?

Grammar, tone, and clarity checks across the web.

Who is Grammarly best for?

Grammarly is a good fit for catching grammar and clarity issues in everyday writing, or adjusting tone for professional emails.

What are the alternatives to Grammarly?

Commonly compared alternatives include QuillBot, Wordtune, and ChatGPT, see the comparison above for how they differ.

How much does Grammarly cost?

Grammarly is free for core checks. Premium is about $12 a month, and Business is around $15 per member a month for team style guides and admin controls.

What's the best Grammarly alternative?

QuillBot is the most commonly recommended swap: quillBot focuses more on paraphrasing and rewriting than real-time grammar checking as you type. Which one is actually best depends on which of those tradeoffs matters more for what you're doing.

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Last reviewed: 2026-08 · Reviewed by AIKetra editors · How we evaluate tools