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LanguageTool vs ProWritingAid
LanguageTool scores higher overall (8 vs 7.7), but the right pick depends on what you need.
Choose LanguageTool if…
People who write in more than one language, especially European languages
8.0/10★★★★★Full review →Choose ProWritingAid if…
Novelists and long-form writers who want deep editing reports, not just error fixes
7.7/10★★★★★Full review →Side by side
| LanguageTool | ProWritingAid | |
|---|---|---|
| Overall score | 8/10 | 7.7/10 |
| Rank in category | #3 of 10 | #4 of 10 |
| Price | Freemium · from $4.99/month | Freemium · from $10/month |
| Free version | Checks up to 2,000 characters per text field and 3 AI rephrasings a day | Line-editing reports on up to 500 words, 10 rephrases and 3 Sparks a day |
| Platforms | Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other | Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other |
| Made by | LanguageTooler GmbH (Learneo, Inc.) | ProWritingAid (Orpheus Technology Ltd) |
| Writing quality | 7.5 | 8 |
| Ease of use | 8 | 7 |
| Features | 7.5 | 7.5 |
| Value for money | 9 | 8 |
| Platforms | 8.5 | 7.5 |
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
ProWritingAid: what the AI does
- Rephrase tool
- Sparks creative suggestions
- Chapter Critique story feedback
- 25+ writing analysis reports
- Custom style guide
- Far deeper style analysis than other checkers
- Integrates with Word, Google Docs and Scrivener
- Lifetime licence option
- Doesn't train AI on your writing
- Monthly billing ($30) costs three times the annual rate
- Free plan is limited to 500 words per check
- Can flag correct British English usage