Grammarly

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(4.6)
Verified

The world's leading AI-powered writing assistant that enhances grammar, spelling, tone, clarity, and style across all platforms with real-time suggestions and comprehensive writing insights. Trusted by 30 million users worldwide.

Pricing Model: Free + from $12/mo
Grammarly AI writing assistant interface showing real-time grammar checking and tone detection

What is Grammarly?

Grammarly stands as the world's most sophisticated AI-powered writing assistant, fundamentally transforming how millions of users approach written communication. Founded in 2009 by Alex Shevchenko, Max Lytvyn, and Dmytro Lider, Grammarly has evolved from a basic grammar checker into a comprehensive writing intelligence platform that serves over 30 million active users globally.

The platform's revolutionary approach combines advanced natural language processing, machine learning, and artificial intelligence to provide contextual writing suggestions that go far beyond traditional grammar and spell-checking. Grammarly's proprietary algorithms analyze text in real-time, understanding context, intent, and audience to deliver personalized recommendations for grammar, spelling, punctuation, tone, clarity, engagement, and delivery.

What distinguishes Grammarly in the crowded writing assistance market is its seamless integration across virtually every digital writing platform. Available as browser extensions, desktop applications, and mobile keyboards, Grammarly ensures consistent writing quality regardless of where users create content, making it an indispensable tool in the modern digital workplace.

Writing Excellence Made Simple

Our Rating

4.6 /5

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Tool Information

  • Category: Grammar & Writing Assistant
  • Starting Price: Free Plan
  • Premium Plans: From $12/month
  • Platform: Web, Desktop, Mobile
  • Best For: All Writers

Our Verdict

Writing Essential

The undisputed leader in AI-powered writing assistance. Essential for anyone who writes professionally, academically, or wants to improve their communication skills across all platforms.

How Grammarly Works

Grammarly transforms your writing through intelligent, real-time analysis powered by advanced AI. The platform works seamlessly across all your writing environments, from emails to social media posts to professional documents.

Step 1: Install and Integrate Start by adding Grammarly to your preferred platforms. Install browser extensions for Chrome, Firefox, Safari, or Edge. Download desktop apps for Windows or Mac. Add the mobile keyboard for iOS or Android. Grammarly automatically activates wherever you write online.

Step 2: Write Naturally Simply start typing anywhereโ€”Gmail, Google Docs, LinkedIn, or any text field. Grammarly works in the background, analyzing your text in real-time. Red underlines indicate critical errors, while yellow suggestions help improve clarity and engagement.

Step 3: Review Suggestions Click on any underlined text to see Grammarly's suggestions. Each recommendation includes a clear explanation, helping you understand the reasoning. Accept suggestions with one click or dismiss them if they don't fit your intended style.

The AI Advantage: Grammarly's AI goes beyond simple rule-based corrections. It understands context, recognizes your writing goals, and adapts to your audience. Set specific objectives like formality level, domain expertise, and intent to receive targeted, contextually appropriate suggestions that improve your writing effectiveness.

Key Features Deep Dive

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Real-Time Grammar & Spell Checking

Advanced AI engine provides instant detection and intelligent correction of grammar, spelling, punctuation, and syntax errors as you type.

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AI-Powered Tone Detection

Sophisticated tone analysis helps adjust your writing for confidence, formality, friendliness, or other emotional contexts to match your audience.

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Plagiarism Detection

Scan your text against billions of web pages, academic papers, and published content to ensure originality and proper attribution.

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Universal Browser Extensions

Seamless integration across Chrome, Firefox, Safari, and Edge browsers works on Gmail, LinkedIn, Facebook, and thousands of other websites.

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Advanced Style Enhancement

Intelligent recommendations for vocabulary variety, sentence structure, readability improvement, and conciseness to elevate your writing quality.

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Writing Performance Analytics

Detailed insights track writing productivity, accuracy improvements, vocabulary growth, and weekly performance reports to monitor progress.

Grammarly Pricing: Plans for Every Writer

Free

$0
  • Basic grammar and spelling checks
  • Punctuation corrections
  • Browser extensions
  • Mobile keyboard
  • No credit card required

Business

$15/mo per user
  • Everything in Premium
  • Team style guides
  • Brand tone consistency
  • Analytics dashboard
  • Priority support

The Good, The Bad, and The Writing Revolution

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Pros

  • โœ“ Industry-leading accuracy in grammar and spelling detection with 95%+ effectiveness
  • โœ“ Universal platform integration works across all websites, apps, and document editors
  • โœ“ Generous free plan includes essential grammar and spelling correction features
  • โœ“ Advanced AI-powered tone detection and audience-appropriate style suggestions
  • โœ“ Intuitive interface with clear explanations helps users learn and improve writing skills
  • โœ“ Enterprise-grade security with SOC 2 compliance and data protection standards
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Cons

  • ร— Can be overly aggressive with suggestions, occasionally flagging acceptable writing choices
  • ร— Limited support for creative writing styles and intentional grammatical deviations
  • ร— Premium subscription costs can accumulate significantly for long-term use
  • ร— Occasionally misinterprets context in highly technical or specialized content
  • ร— Requires consistent internet connectivity for full feature functionality
  • ร— Some advanced features locked behind premium paywall despite basic functionality

Who Should (and Shouldn't) Use Grammarly

Perfect for Professionals: If you write emails, reports, or proposals regularly, Grammarly is indispensable. The tone detection ensures your messages strike the right balance between professionalism and approachability, while clarity suggestions help you communicate complex ideas effectively.

Ideal for Students: Academic writers benefit enormously from Grammarly's plagiarism detection and citation assistance. The platform helps maintain academic integrity while improving essay structure, grammar accuracy, and overall writing quality throughout your educational journey.

Great for Non-Native Speakers: English language learners find Grammarly particularly valuable for understanding nuanced grammar rules and idiomatic expressions. The detailed explanations help build language skills while ensuring error-free communication.

Not for Creative Writers: Novelists and poets may find Grammarly's suggestions too prescriptive. The platform's focus on conventional grammar can interfere with stylistic choices, dialogue authenticity, and intentional rule-breaking that characterizes creative writing.

Skip for Highly Technical Content: Writers dealing with specialized terminology, code documentation, or industry-specific jargon may encounter frequent false positives. Grammarly sometimes struggles with technical accuracy in niche fields.

Avoid for Offline Writing: If you primarily work offline or in secure environments without internet access, Grammarly's cloud-based functionality becomes a limitation. Consider alternatives with robust offline capabilities.

Frequently Asked Questions

How does Grammarly's accuracy compare to professional human editors?

Grammarly demonstrates exceptional accuracy for grammar, spelling, and standard style conventions, successfully identifying approximately 95% of common writing errors. However, it serves as an intelligent first line of defense rather than a complete replacement for human editorial expertise. For critical documents, academic publications, or complex creative works, the optimal approach combines Grammarly's AI-powered analysis with professional human review for nuanced context, cultural sensitivity, and specialized subject matter expertise.

What mobile platforms and applications does Grammarly support?

Grammarly offers comprehensive mobile support through dedicated iOS and Android applications that provide writing assistance across all text input fields on your device. The mobile keyboard seamlessly integrates with email clients, messaging applications, social media platforms, note-taking apps, and web browsers. The mobile experience maintains feature parity with desktop versions, including real-time suggestions, tone detection, and writing insights, ensuring consistent quality regardless of your writing environment.

What advantages does Grammarly Premium offer over the free version?

Grammarly Premium significantly expands functionality beyond basic grammar and spelling correction. Premium subscribers gain access to advanced tone detection, clarity and engagement suggestions, vocabulary enhancement recommendations, comprehensive plagiarism checking against billions of sources, writing goal customization, detailed performance analytics, and priority customer support. Premium also includes advanced punctuation guidance, formality level adjustments, and fluency improvements that help develop stronger writing skills over time.

How well does Grammarly integrate with Microsoft Office and Google Workspace?

Grammarly provides native integration with Microsoft Office through official add-ins for Word, Outlook, and PowerPoint, delivering the same comprehensive writing assistance within familiar interfaces. For Google Workspace users, Grammarly works seamlessly through browser extensions in Google Docs, Gmail, and Google Slides. Additionally, the standalone Grammarly editor accepts documents from any word processor, allowing users to import, edit, and export content while maintaining original formatting and structure.

Start Writing Better

4.6 โญโญโญโญโญ
  • โœ“ Free plan available
  • โœ“ Works everywhere
  • โœ“ 30M+ users trust it
  • โœ“ 95% accuracy rate
Try Grammarly Free

Tool Specifications

Category
Grammar & Writing Assistant
Free Plan
Yes, Basic Features
Starting Price
$12/month
Platform
Web, Desktop, Mobile
Website
grammarly.com

Why Trust Our Review

  • ๐Ÿงช Extensively tested all features
  • ๐Ÿ’ฐ Evaluated all pricing tiers
  • ๐Ÿ” Compared with alternatives
  • ๐Ÿ“Š Based on May 2025 testing

๐ŸŽฏ Final Verdict

Essential Writing Tool

Grammarly remains the gold standard for AI-powered writing assistance. While not perfect for every use case, its combination of accuracy, universal compatibility, and continuous improvement makes it an invaluable tool for anyone serious about written communication.

4.6/5

The world's most trusted AI writing assistant

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