Skip to content
Grammarly Writing AI tool logo

Grammarly AI Writing Assistant Review

WritingFreemium
Best for: Grammar, spelling & tone correction

AI writing assistant for real-time grammar, spelling, tone, and style correction across the web.

4.6(34.2k)
Founded 2009
Grammarly AI writing assistant interface showing real-time grammar suggestions

Why Grammarly Is Worth Using

Grammarly is the most widely used AI writing assistant, correcting grammar, spelling, punctuation, and tone in real time. It works everywhere you write: the browser extension covers Gmail, Google Docs, LinkedIn, and thousands of other sites, while dedicated apps handle Microsoft Word and macOS.

Beyond fixes, Grammarly's generative AI rewrites sentences to be clearer, adjusts formality for the audience, and explains why a suggestion was made, so you become a better writer over time.

Grammarly Free vs Premium

The free plan covers spelling, grammar, punctuation, and basic tone detection, which is enough for most everyday writing.

  • Free: grammar and spelling checks, basic tone detection, writing goals
  • Premium at $12/mo: full-sentence rewrites, formality and clarity adjustments, plagiarism detection
  • Business at $15/user/mo: style guide, snippets, brand tones, and analytics for teams

Who Should Use Grammarly

Students need it for essays, professionals for emails and reports, and marketing teams for consistent, on-brand copy. If English is not your first language, the tone and clarity suggestions are especially valuable.

Pricing & Plans

Free plan; Premium $12/mo (annual); Business $15/user/mo (annual)

Free

$0/mo

Essential writing corrections as you type.

  • Grammar & spelling
  • Punctuation
  • Tone detection
  • Browser extension
Start Free
Most Popular

Premium

$12/mo

Advanced writing assistance for individuals.

  • Clarity rewrites
  • Tone adjustments
  • Plagiarism checker
  • Generative AI
Get Premium

Business

$15/user/mo

Style guides and analytics for teams.

  • All Premium features
  • Brand tone & style guide
  • Admin analytics
  • SAML SSO
Get Business

Best For

Recommended use cases and scenarios where Grammarly shines.

Grammarly: What We Like and What We Don't

Grammarly is easy to recommend for most writers, with a few caveats.

Pros

  • Real-time grammar correction
  • Tone & clarity suggestions
  • Plagiarism detection
  • Works everywhere via extension

Cons

  • Advanced features need Premium
  • Can miss context at times
  • Generative AI gated to higher tiers
Frequently Asked Questions

Common questions about Grammarly, answered.

Is Grammarly free to use?

Yes. Grammarly's free plan corrects spelling, grammar, punctuation, and basic tone issues. Premium features like full-sentence rewrites and plagiarism detection require the $12/month Premium plan.

Does Grammarly work in Google Docs and Microsoft Word?

Yes. The Grammarly browser extension works in Google Docs, Gmail, and most web apps, and dedicated desktop apps support Microsoft Word on Windows and macOS.

How accurate is the Grammarly AI grammar checker?

Grammarly is highly accurate for common errors and tone issues, but it can occasionally miss context or over-suggest. It is a strong aid, not a replacement for careful proofreading.

Is Grammarly Premium worth it?

For students, non-native speakers, and anyone who writes regularly, yes. The plagiarism checker, formality adjustments, and full-sentence rewrites are the main reasons to upgrade.

Reviews & Ratings

4.6

Based on 34,200 reviews

5
77%
4
13%
3
6%
2
3%
1
1%

Share your experience

Your rating

Loading reviews...

J

James Okafor

Great value for the price. The learning curve is small and the payoff is big.

H

Hannah Lee

Reliable and polished. I only wish the advanced features were on lower tiers.

M

Marcus Webb

Very capable tool. A couple of rough edges, but the team ships updates quickly.

Similar Tools

More Writing tools you might like

QuillBot AI tool logo

QuillBot

WritingFreemium
Best for: Paraphrasing & grammar checking

QuillBot is the AI paraphrasing and grammar tool that rewrites, checks, summarizes, and humanizes your writing in one suite.

4.7(16.7k)
Visit Website
Jasper AI tool logo

Jasper

WritingPaid
Best for: On-brand marketing content

Enterprise-grade AI writing platform built for marketing teams and content creators.

4.5(8.9k)
Visit Website
Writesonic AI tool logo

Writesonic

WritingPaid
Best for: AI content writing & search visibility

AI writing platform now focused on AI Search Visibility (GEO) to help brands get cited by ChatGPT, Gemini, and other AI answers.

4.4(7.6k)
Visit Website

Guides & Articles about Grammarly

Read our detailed reviews and comparisons covering Grammarly