Grammarly
by Grammarly, Inc. · Education & Learning · Study Tools
AI-powered writing assistant for grammar, spelling, tone, and clarity across all platforms.
Quick Answer: Grammarly has a verified Real Score of 4.2/5 based on 82,000 verified reviews, compared to its App Store rating of 4.7/5. Highly recommended by verified users.
Real Score vs App Store Rating
App Store Rating
Includes unverified reviews
Verified Real Score
Based on 82,000 verified reviews
Gap Alert: Grammarly's App Store rating is 0.5 points higher than its verified Real Score. This suggests that some store reviews may be inflated by fake or incentivized ratings.
Pros & Cons
What Users Love
- Excellent grammar checking
- Works across all apps
- Tone detection
- AI writing assistance
Common Complaints
- Premium is expensive
- Privacy concerns
- Sometimes wrong suggestions
- Can make writing generic
Verified Reviews (20)
Catches errors I miss every time
Even after proofreading, Grammarly finds grammar mistakes, awkward phrasing, and unclear sentences I overlooked. For professional emails and reports, it's essential quality control.
Keyboard integration is seamless
The Grammarly keyboard on mobile checks everything I type - emails, messages, social media posts. Having real-time grammar checking in every app is incredibly convenient.
Premium pricing keeps increasing
$30/month for Premium or $144/year is expensive for a writing tool. The free version catches basic errors but advanced suggestions, tone detection, and AI features require Premium.
Tone detection is surprisingly useful
Seeing that my email sounds "demanding" or "dismissive" before sending helps me adjust. The tone detector catches emotional undertones I don't notice when writing. Saved me from several awkward emails.
Privacy concerns are real
Grammarly processes all your text on their servers. Sensitive documents, personal messages, confidential business communications - all going through their system. Think about what you're sharing.
AI writing assistant is powerful
The AI-powered rewrite and generation features help with writer's block. Ask it to rewrite a paragraph more formally or generate an outline. Good starting point, but always edit the output.
Non-native speaker's best friend
As a non-native English speaker, Grammarly is indispensable. It catches errors that autocorrect misses and teaches me correct usage. My English writing has improved noticeably since using it.
Sometimes suggests wrong changes
Grammarly occasionally suggests changes that alter meaning or are stylistically wrong. Always review suggestions critically rather than accepting them blindly. It's an assistant, not an authority.
Browser extension works everywhere
The Chrome extension checks writing on Gmail, Google Docs, Slack, social media - everywhere you type. The seamless integration means consistent quality across all online writing.
Clarity suggestions are valuable
Beyond grammar, the clarity suggestions that simplify complex sentences and remove unnecessary words improve readability. My business writing became more concise and impactful.
Can homogenize writing style
Following all Grammarly suggestions makes writing generic and corporate. Good writers need to ignore some suggestions to maintain their voice. It's a tool, not a replacement for writing skill.
Worth it for professionals
If your career involves writing (and most do), Grammarly Premium is a professional tool like any other. The cost is justified by the quality improvement in every piece of writing you produce.
Free tier is genuinely useful
The free version catches spelling, basic grammar, and punctuation. For casual use, it's sufficient. Premium adds advanced grammar, style, and tone features that serious writers need.
Plagiarism checker for students
Premium includes plagiarism checking against billions of web pages. Useful for students ensuring their work is original and properly cited. One less subscription needed.
Document goals help focus
Setting document goals (audience, formality, intent) tailors suggestions. Writing for a client vs. a friend produces different recommendations. Context-aware assistance.
Desktop app vs. browser extension
The standalone desktop app works in more contexts than the browser extension. For editing documents outside the browser, the desktop app is necessary but adds another always-running application.
Teaching tool for grammar rules
Each correction comes with an explanation of the grammar rule. Over time, I've learned WHY certain things are wrong, not just that they are. Grammarly is accidentally a great grammar tutor.
Emoji and informal writing support
Grammarly now understands that casual messages are different from formal documents. It won't try to make your text messages sound like legal documents. Context sensitivity has improved.
Team plan for businesses
Grammarly Business for teams ensures consistent communication quality across the organization. Style guides and brand tone settings maintain voice. Worth considering for client-facing teams.
Integration with Microsoft Office
The Microsoft Office integration (Word, Outlook) brings Grammarly's capabilities to where most professional writing happens. Real-time checking in Word documents is a productivity boost.
Showing 1-20 of 12,847 reviews
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Last updated: April 2026