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AI WritingFounded 2009·Reviewed September 2026

Grammarly

AI-powered writing assistant for everything

4.3
Based on 5678 aggregated public reviews
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Our Verdict

Grammarly is the world's most popular AI writing assistant, installed by over 30 million people across browsers, desktop apps, and mobile keyboards. The free tier provides real-time grammar and spelling correction, tone detection, and basic clarity suggestions. Grammarly Premium at $12/month adds advanced rewrites, vocabulary suggestions, plagiarism detection, and generative AI features (GrammarlyGO). The Business plan at $15/seat/month adds team style guides and analytics. What makes Grammarly unique is its ubiquity — it works in any text field on any device, making it the most practical AI writing tool for everyday use. For anyone who writes professionally, Grammarly is an essential tool.

Rating

4.3/5

Starting Price

Free

HQ

San Francisco, CA

✓ Pros

  • Works everywhere (browser, desktop, mobile)
  • Excellent grammar and tone correction
  • Free tier is genuinely useful
  • Plagiarism checker (Premium)

✗ Cons

  • Premium is pricey for individuals
  • Can be overly prescriptive
  • Occasional false suggestions

Key Features

Grammar & Spelling
Tone Detection
Clarity Rewrites
Plagiarism Checker
Generative AI (GrammarlyGO)
Browser Extension

Pricing

Free Plan AvailableGrammar, spelling, tone detection

Premium at $12/mo, Business at $15/seat/mo

Best For

EveryoneWritersStudentsProfessionals

Use Cases

Email writingContent editingAcademic writingProfessional communication

Affiliate Program Details

Network

Impact

Commission

$20 per premium signup

Cookie Duration

30 days

This review contains affiliate links. We may earn a commission if you sign up through our links, at no extra cost to you.

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