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Grammarly vs LanguageTool
Grammarly scores higher overall (8.6 vs 8), but the right pick depends on what you need.
Choose Grammarly if…
Anyone who wants polished, correct writing in every app without copying text into a separate tool
8.6/10★★★★★Full review →Choose LanguageTool if…
People who write in more than one language, especially European languages
8.0/10★★★★★Full review →Side by side
| Grammarly | LanguageTool | |
|---|---|---|
| Overall score | 8.6/10 | 8/10 |
| Rank in category | #1 of 10 | #3 of 10 |
| Price | Freemium · from $12/month | Freemium · from $4.99/month |
| Free version | Basic spelling, grammar and tone checks plus 100 AI prompts a month | Checks up to 2,000 characters per text field and 3 AI rephrasings a day |
| Platforms | Web, iOS, Android, Desktop app, Chrome extension, Microsoft Word, Google Docs | Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other |
| Made by | Superhuman (formerly Grammarly, Inc.) | LanguageTooler GmbH (Learneo, Inc.) |
| Writing quality | 8.5 | 7.5 |
| Ease of use | 9 | 8 |
| Features | 8.5 | 7.5 |
| Value for money | 7.5 | 9 |
| Platforms | 10 | 8.5 |
Grammarly: what the AI does
- Real-time grammar, clarity and tone suggestions
- Full-sentence and paragraph rewrites
- Generative AI prompts for drafting and replies
- Plagiarism and AI-text detection
- Agents such as Citation Finder, AI Grader and Reader Reactions
- Superhuman Go assistant in the browser extension
- Works almost everywhere you type: browser, desktop, mobile keyboard, Word and Docs
- The most dependable grammar and clarity checks for English
- Free plan is genuinely useful
- Pro bundles plagiarism and AI-text detection
- Monthly billing ($30) is expensive compared with the annual price
- Its AI drafting is weaker than dedicated chatbots for long-form writing
- The extension reads everything you type, which raises privacy questions for some
LanguageTool: what the AI does
- AI paraphrasing with tone options (formal, concise, fluent, simple)
- Grammar, spelling and punctuation checks in 30+ languages
- Advanced style suggestions and Picky Mode
- Personal dictionary and style guide
- Strongest multilingual support in the category
- Very cheap on annual billing
- Works in Word, Google Docs, LibreOffice, Pages and email clients
- Open-source core with a privacy focus
- Flags correct technical terms and specialist wording as errors
- AI suggestions are less refined than Grammarly's for English
- No current mobile app listing on the US App Store or Google Play