Writing assistants
Grammarly
Grammarly is a writing assistant that checks grammar and spelling and offers AI-powered rewriting and tone adjustments, with a free tier and two paid tiers on its official plans page.
Best for
Individuals and organizations who want writing assistance built into their existing apps and browser, per Grammarly's own plan descriptions.
Free tier
Free plan includes basic error correction and 100 AI prompts per month.
Limits to know
Full sentence rewrites, tone adjustment and plagiarism detection are reserved for the Pro plan and above.
Plans and prices
As of Sept 29, 2026, per the vendor's official pricing page. Prices shown in EUR on the page retrieved; USD pricing may differ by region.
| Plan | Price | What is included |
|---|---|---|
| Free | €0/month | Basic error correction, 100 AI prompts/month. |
| Pro | €12/month | Full sentence rewrites, tone adjustment, plagiarism detection, 2,000 AI prompts/month. |
| Enterprise | Custom pricing | BYOK encryption, SAML SSO/SCIM. |
Prices change often — check the vendor's page before you buy.