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Grammarly Review
AIHQ SCORE
9.0 / 10
Grammarly is the world’s leading AI writing assistant focused on grammar correction, clarity, and tone improvement rather than content generation. With over 30 million daily users and enterprise-grade reliability, it’s the standard tool for error-free professional writing. Best for anyone who writes professionally—from students to business professionals—who needs real-time writing assistance and polish.
9.0
AIQ SCORE™
Quick Summary
Grammarly is fundamentally different from content generation tools like Jasper or Copy.ai—it improves writing you create rather than generating new content. With AI-powered grammar checking, clarity suggestions, tone detection, and plagiarism checking, it’s essential for anyone who writes professionally. The free tier catches basic errors; Premium offers advanced suggestions and style improvements for $12/month.
- Best For: Professional writing, editing, error correction
- Pricing: Free (basic), $12/month (Premium), $15/month (Business)
- Free Tier: Yes, with essential grammar and spell checking
- Platforms: Web, desktop, mobile, browser extension
- Users: 30+ million daily active users
✓ Pros
- Industry-leading accuracy for grammar checking
- Works seamlessly across platforms and apps
- Real-time suggestions as you type
- Tone detection helps adjust communication style
- Plagiarism checker (Premium)
- Explains corrections to improve learning
- 30M+ daily users prove reliability
✗ Cons
- Not a content generation tool
- Free tier limited to basic features
- Premium required for advanced suggestions
- Occasional false positives on corrections
- Style suggestions can be too cautious
- Business plan expensive for solopreneurs
What is Grammarly?
Grammarly is an AI-powered writing assistant that helps improve clarity, correctness, engagement, and delivery in your writing. Unlike content generation tools, Grammarly doesn’t write for you—it makes what you write better. Founded in 2009, it has become the world’s most widely used writing assistant with over 30 million daily active users.
The platform works across devices and platforms with extensions for Chrome, Word, Gmail, Google Docs, and native desktop apps. Grammarly checks your writing in real-time, underlining issues and providing suggestions you can accept or ignore. It catches grammar errors, spelling mistakes, punctuation issues, and style improvements as you type.
Recent AI enhancements include GrammarlyGO, which can rewrite sentences, adjust tone, brainstorm ideas, and generate text snippets based on prompts. This bridges the gap between traditional grammar checking and AI content generation, though Grammarly remains primarily focused on improving existing writing rather than creating it from scratch.
Best Use Cases for Grammarly
Grammarly performs best as a writing enhancement tool rather than a content generator, helping polish and perfect existing writing across all contexts. The platform’s real strength lies in improving clarity, correctness, and professionalism of content you’ve already written. Here are Grammarly’s most valuable applications:
1. Professional Email & Business Communication
Ensure your business emails, Slack messages, and professional communications are error-free and appropriately toned. Grammarly’s tone detector helps you understand how your message will be perceived (friendly, formal, concerned, etc.) and suggests adjustments. Professionals use Grammarly to maintain credibility in every message, from quick team chats to important client emails.
2. Academic Papers & Research Writing
Polish essays, research papers, and academic writing with advanced grammar checking and plagiarism detection. Grammarly’s academic style suggestions help maintain formal tone and clarity while the plagiarism checker ensures originality. Students and researchers use Grammarly Premium to ensure their work meets academic standards before submission.
3. Blog Posts & Content Proofreading
Edit blog posts, articles, and marketing content to eliminate errors and improve readability. Grammarly’s clarity suggestions help simplify complex sentences and improve engagement scores. Content creators use Grammarly as a final quality check before publishing, catching errors human proofreading might miss.
4. English Language Learning & Improvement
Improve English writing with real-time corrections and explanations. Grammarly explains why suggestions are made, helping non-native speakers learn grammar rules through practice. International professionals use Grammarly to communicate confidently in English, reducing anxiety about language barriers in professional settings.
Limitations
Grammarly is not a content generation tool—if you need AI to create marketing copy, blog posts, or creative content, you need tools like ChatGPT or Jasper alongside Grammarly. While GrammarlyGO adds some generative capabilities, it’s designed for rewriting and small text snippets rather than producing comprehensive content from scratch.
The free tier is limited to basic grammar and spelling checks. Advanced features like style suggestions, tone detection, clarity improvements, and plagiarism checking require Premium ($12/month). For casual writing, the free tier suffices; for professional use, Premium is practically essential. The feature gap between free and paid is significant.
Grammarly’s suggestions, while generally excellent, aren’t perfect. It occasionally flags correct grammar as errors or misses context-dependent issues. Blindly accepting all suggestions can sometimes harm your writing—you still need to apply judgment. Think of Grammarly as an assistant, not a replacement for your own writing skills and editorial judgment.
Grammarly Pricing & Plans
Free Trial
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Basic grammar checking
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Spell checking
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Punctuation correction
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Browser extension
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Works in 500,000+ apps
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Tone detection (basic)
Premium
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Advanced suggestions
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Everything in Free
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Clarity improvements
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Engagement feedback
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Delivery suggestions
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Plagiarism checker
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Vocabulary enhancement
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Formality level
Business
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3+ users minimum
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Style guide creation
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Everything in Premium
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Brand tones
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Snippets library
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Team analytics
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Priority support
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Admin controls
Frequently Asked Questions
Is Grammarly Premium worth paying for?
For professional writers, business communication, or academic work, Grammarly Premium’s advanced suggestions significantly improve writing quality beyond the free tier. Clarity improvements, tone adjustments, and plagiarism checking justify $12/month for users who write frequently. However, casual users who occasionally write emails may find the free tier sufficient for basic error checking.
Can Grammarly replace human proofreading?
Grammarly catches most grammar, spelling, and punctuation errors, but it can’t replace human editorial judgment. It occasionally misses context-dependent issues or flags correct usage as errors. Use Grammarly as your first line of defense against errors, but important writing (like publications or critical business documents) still benefits from human review for final polish and accuracy.
Does Grammarly work offline?
Grammarly requires an internet connection for most features since suggestions are processed on their servers. The desktop apps offer limited offline functionality for basic checking, but advanced features like tone detection, clarity suggestions, and plagiarism checking require connectivity. This means Grammarly isn’t ideal for situations where you must write completely offline.
How does GrammarlyGO compare to ChatGPT?
GrammarlyGO is designed for rewriting existing text, adjusting tone, and generating short snippets—not comprehensive content creation. ChatGPT excels at generating long-form content, brainstorming, and complex tasks. Use GrammarlyGO when you need to improve or adjust existing writing; use ChatGPT when you need to create new content from scratch. They serve different purposes.
Is my writing data secure with Grammarly?
Grammarly states they don’t sell user data and implement enterprise-grade security measures. However, your writing passes through their servers for processing, which may be a concern for highly sensitive content. Business and Enterprise plans offer additional security controls. For extremely confidential writing, consider whether any cloud-based writing tool aligns with your security requirements.
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