LanguageTool vs ProWritingAid
A side-by-side comparison of LanguageTool and ProWritingAid for writers — pricing, features and where each one earns its place.
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| LanguageTool | ProWritingAid | |
|---|---|---|
| Tagline | A privacy-friendly, multilingual grammar and style checker for 30+ languages. | All-in-one grammar, style and manuscript editor with AI rewrites. |
| Editorial rating | ★★★★☆4.2editorial | ★★★★☆4.4editorial |
| Pricing | Free; Premium from ~US$4.99/mo (annual) | Free; Premium US$30/mo (lifetime from US$399) |
| Free tier | Yes | Yes |
| Good for | Academic, Copywriting, Blogging & SEO | Fiction, Copywriting, Academic |
| Categories | Grammar, Editing | Editing, Grammar |
| Models | Proprietary + AI | Proprietary + AI |
| Platforms | web, desktop, browser-ext, word, docs, mobile, api | web, desktop, browser-ext, word, docs |
LanguageTool
Pros
- Best multilingual coverage of the group
- Privacy-focused and self-hostable
- Cheapest long-term annual price
Cons
- Free tier character-limited (2,000)
- No free trial (money-back only)
- AI features less polished than Grammarly
ProWritingAid
Pros
- Deep, fiction-friendly revision reports
- Lifetime pricing option exists
- Integrates into most writing apps
Cons
- Feature overload for beginners
- Real-time checks can lag on long docs
- Best reports are behind Premium
Our verdict
ProWritingAid edges ahead on our editorial score (4.4 vs 4.2), largely for deep, fiction-friendly revision reports. That said, LanguageTool is the better pick if best multilingual coverage of the group matters more to you.
Frequently asked questions
- Is LanguageTool or ProWritingAid better?
- In our editorial assessment ProWritingAid scores 4.4/5 versus LanguageTool's 4.2/5. ProWritingAid stands out for deep, fiction-friendly revision reports, while LanguageTool is worth a look for best multilingual coverage of the group. The right choice depends on your workflow — see the breakdown above.
- Do LanguageTool or ProWritingAid have a free version?
- Both LanguageTool and ProWritingAid offer a free tier. You can start there before committing to a paid plan.
Read the full reviews: LanguageTool · ProWritingAid · all comparisons