Grammarly is an AI-powered writing assistant that checks grammar, spelling, punctuation, clarity, tone, and plagiarism across browsers, desktop apps, Microsoft Office, and Google Docs. Used by 30 million daily active users, it provides real-time suggestions as you type and can rewrite full sentences for improved clarity or adjusted tone. Grammarly Business adds brand voice guidelines and centralized team billing for professional organizations.
Grammarly
AI writing assistant for grammar, clarity and tone.
Best for: Anyone who writes professionally and wants real-time grammar, clarity and tone feedback across every app.
- Free plan
4.6/5 ratingEditorial score 90/100grammarly.com
The editorial note
What to know about Grammarly
Is it right for you?
Who Grammarly suits
Choose it if
- Anyone who writes professionally and wants real-time grammar, clarity and tone feedback across every app.
Look elsewhere if
- Users who need a full AI writing tool that generates long-form content — Jasper or Copy.ai are better for marketing content creation beyond editing and correction
What you get
Key features
- Real-time grammar and spelling correction
- Clarity and sentence restructuring suggestions
- Tone analysis and adjustment
- Plagiarism detection
- GrammarlyGO AI writing assistant
- Brand voice guidelines (Business)
- Browser and app integrations
- Readability score
Works with
Integrations8
What it costs
Pricing
| Plan | Price | What it includes |
|---|---|---|
| Free | FreeBilled monthly | Basic grammar and spelling checks across all platforms |
| Premium | $30 / monthBilled monthly | Advanced clarity, engagement, and delivery suggestions |
| Business | $25 / user / monthBilled monthly | Team style guide, analytics, and centralized billing (min 3 users) |
Prices are recorded from the vendor's public pricing page and can change. Check before you buy.
The trade-off
Pros and cons
Pros
- Works everywhere — browser extension, desktop app, Word, Outlook, Google Docs, Slack
- Real-time suggestions cover grammar, clarity, tone, and word choice simultaneously
- Tone detector shows how your message reads to the recipient before you send
- Plagiarism checker compares against 16 billion web pages for academic integrity
- GrammarlyGO generates full drafts and rewrites based on your prompt
Cons
- Free plan is limited — most advanced suggestions require Premium subscription at $12/month
- Over-reliance can weaken your natural writing style over time
- Occasionally flags correct usage or suggests incorrect alternatives
- Privacy concerns about having all written content processed through Grammarly servers
Quick read
At a glance
- Category
- AI Tools
- Pricing model
- Freemium
- Entry plan
- Free
- Free plan
- Available
- Free trial
- Not listed
- Website
- grammarly.com
The verdict
Our take on Grammarly
The essential writing quality layer for professionals — the browser extension alone justifies the free account.
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