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Grammarly Review 2026 — Features, Pricing & Alternatives

AI writing assistant for grammar and clarity

4.8(520 reviews)

10K+ users

Starting at USD 0/mo

About Grammarly

Grammarly is the world's leading AI-powered writing assistant, trusted by over 30 million users daily. It goes far beyond basic spell-checking to provide comprehensive writing assistance including grammar correction, style improvement, tone detection, and clarity enhancement. Grammarly works across multiple platforms through browser extensions, desktop apps, and mobile keyboards, seamlessly integrating into your writing workflow wherever you work. The AI analyzes your writing in real-time, offering suggestions that help you communicate more effectively and professionally. From quick emails to important documents, Grammarly ensures your writing is clear, mistake-free, and impactful. Premium features include advanced grammar checks, vocabulary enhancement, plagiarism detection, and style guides for consistent writing across teams.

Key Features

Real-time grammar, punctuation, and spelling corrections across all writing contexts

Tone detector that identifies and adjusts the emotional register of written content

Clarity and conciseness suggestions for improving readability and impact

Plagiarism detection with 16 billion web page database comparison (Premium)

Vocabulary enhancement with context-appropriate word suggestions

Full-sentence rewrite suggestions for passive voice and awkward constructions

Style guide enforcement for consistent brand and team communication standards

Platform coverage: browser extension, desktop app, Microsoft Office, and Google Docs

Pros

Highest accuracy grammar checker on the market — trusted by 30+ million daily users
Works seamlessly inside Gmail, Google Docs, Slack, LinkedIn, and 500,000+ apps
Free tier is genuinely capable — handles most basic grammar and clarity improvements
Tone suggestions help writers calibrate communication for different audiences
Business plan enables company-wide style guide enforcement for consistent messaging

Cons

Premium subscription at $12/month required for plagiarism detection and advanced suggestions
Can be overly conservative with creative writing — sometimes flags intentional stylistic choices
Grammarly AI writing features are less capable than dedicated writing tools like Jasper