Grammarly vs Linguix
Grammarly is the established editing layer that follows you across email, docs and browsers: the free plan covers grammar, spelling and 100 AI prompts a month, while Pro is $12/month billed annually ($144/year) or $30 month-to-month, adding full-sentence rewrites and a plagiarism checker. Linguix offers grammar checking plus a sentence rewriter across languages, with a free tier and Pro at $11.67/month billed annually ($140/year) per its official pricing page (directory record, 2026-11-04). Grammarly covers more surfaces for English-first writers; Linguix is the lower-priced annual option for multilingual teams. There is no measured quality winner in this review.
| Decision point | Grammarly | Linguix |
|---|---|---|
| Best suited to | Editing an existing draft for clarity, tone, grammar, and concise rewrites. | Multilingual writers who want grammar, style and paraphrasing help across languages. |
| Plans and cost | Free is listed at $0 with 100 AI prompts per month. Pro shows 2,000 prompts per member/month and $12/month billed annually equivalent; official support lists $30 monthly, $60 per quarter, or $144 annually per member. | The pricing page lists Free at $0 forever, and Pro at $11.67 per month billed yearly ($140 per year), with business plans by request. |
| Limitations | Suggestions can change intended meaning. Generative prompt allowances and prices depend on plan and billing period; review the current plan terms. | Multilingual tool; free tier limits are described on the page. |
Use the same input
Write a 400-word client email in English, run it through both tools, then check which catches tone issues and suggests rewrites rather than just flagging errors.
What a successful result must preserve
The tool must correct grammar in real time, offer rewrite suggestions (not just error flags), and work inside a browser-based email composer.
Evidence and test status
Official specification comparison. Plan prices below come from the vendors' official pricing pages: Grammarly's Pro terms and Linguix's Pro price ($11.67/month billed annually, $140/year) follow the directory's 2026-11-04 official pricing-page record. We did not run a hands-on writing test on either tool; no quality winner is declared.
- Grammarly — Official Grammarly plans and prompt limits ↗ (reviewed 2026-10-15), Official desktop product guide ↗ (reviewed 2026-10-15), Official Pro pricing by billing period ↗ (reviewed 2026-10-15), Official AI setting and detector guidance ↗ (reviewed 2026-10-15)
- Linguix — Linguix official page ↗, Linguix pricing page ↗