Grammarly
FeaturedThe ubiquitous AI assistant for grammar, clarity and tone, everywhere you type.
Grammarly is the market-leading writing assistant: real-time grammar, spelling and punctuation correction plus tone detection, clarity rewrites, plagiarism and AI-content detection, and generative AI prompts. Its edge is breadth of integration — it works in the browser, Office, email and most desktop apps — and proactive, context-aware suggestions.
Key features
- Real-time grammar, spelling and punctuation
- Tone detection and adjustment
- Full-sentence rewrites and AI prompts
- Plagiarism and AI-content detection
Pros
- Widest app and platform coverage of any checker
- Strong tone and clarity feedback
- Reliable real-time correction
Cons
- Large monthly-vs-annual price jump
- Pro AI prompts are capped (2,000/mo)
- English-focused
Pricing
Free; Pro US$12/mo (annual)
| Free | $0 |
| Pro | $12/mo |
| Enterprise | Custom |
Pro is $12/mo billed annually ($144/yr) but $30/mo month-to-month — a big gap. 7-day Pro trial. Verified Jun 2026.
Models
Proprietary + AI
Platforms
webdesktopbrowser-extmobileworddocsapi
Good for
CopywritingAcademicBlogging & SEOFiction
Grammarly appears in
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Last reviewed 2026-06-23. Categories: Grammar, Editing.