Grammarly checks your writing everywhere you type (Gmail, Google Docs, Word, Slack, LinkedIn and your phone keyboard) and now adds generative AI for rewrites and drafts.
What we like
- Works in almost every app and website
- Great free plan for grammar and spelling
- Pro is $12/mo billed yearly
Watch out for
- Monthly billing is much pricier ($30)
- Generative features trail dedicated AI assistants
Key facts
| Category | AI writing |
|---|---|
| Free plan | Yes: spelling, grammar and 100 AI prompts a month |
| Cheapest paid plan (monthly) | $30/mo |
| Same plan billed yearly | $12/mo |
| Top plan | Pro: $30/mo |
| Seats | Individual; teams per member |
| Trial / refund | Free plan instead of trial |
| Platforms | Browser extension, Windows, Mac, iOS, Android, Office |
Checked Oct 9, 2026 on the official site. Prices and terms change: confirm before you buy.
Grammarly plans & pricing
| Plan | Billed monthly | Billed yearly (per month) | Cost per year | What you get |
|---|---|---|---|---|
| Free | Free | - | $0 | Spelling, grammar, 100 AI prompts/month |
| Pro | $30 | $12 save 60% | $144 | Full rewrites, tone, plagiarism, 2,000 AI prompts |
| Enterprise | Custom | - | - | Custom; SSO, DLP |
List prices for one user, checked Oct 9, 2026. Taxes extra; per-user plans multiply by seats. Vendors change plans often: confirm on Grammarly’s pricing page. Add it to the stack cost calculator →
Is Grammarly free? Free plan, trial and discounts →
Plans
- Free: spelling, grammar and punctuation, plus 100 AI prompts a month.
- Pro: $30 billed monthly, or $12/mo billed yearly: full-sentence rewrites, tone, plagiarism checks and 2,000 AI prompts.
- Enterprise: custom pricing with SSO and data controls.
Tip
Pay yearly: the monthly plan costs well over double.
Frequently asked questions
Is Grammarly free?
Yes: the free plan covers spelling and grammar with limited AI.
Do you use Grammarly?
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