Grammarly
Checks and improves your writing as you type, in email, documents and the browser.
- User rating
- 4.7 of 5 on Capterra (Grammarly Business) from 7,225 reviews
- Free plan
- Yes: grammar and spelling checks.
- Our confidence
- High. Over 7,000 reviews.
Best for
Anyone who wants their own writing clearer and error-free, especially non-native English speakers.
What it costs
Free plan. Pro is roughly $25–30 a month on monthly billing, less if paid yearly.
What users agree on
- Real-time grammar, spelling and style suggestions
- Works in email, Google Docs, Microsoft Office, Slack and browsers
- Very helpful for non-native English speakers
- Tone suggestions and a plagiarism checker
What users complain about
- Suggestions can be generic and flatten your voice
- Misses context and industry terms
- The pop-up can get in the way
- Cost is high and key features need a paid plan
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Sources
Facts last checked October 2026. Prices and features change often, so confirm on Grammarly's website before buying. If we earn a commission from this link, it never affects how we rank Grammarly.