Grammarly vs ProWritingAid vs LanguageTool 2026
TL;DR: Grammarly for English, ProWritingAid for authors, LanguageTool for multilingual
Feature Comparison
| Feature | Grammarly | ProWritingAid | LanguageTool |
|---|---|---|---|
| Grammar Check | Best accuracy | Good accuracy | Good, multilingual |
| Style Analysis | Tone detection | Deep style reports | Basic |
| AI Writing | GrammarlyGO | Limited AI | No AI writing |
| Integrations | Everywhere | Most platforms | Most platforms |
| Privacy | Cloud-based | Cloud-based | Local processing option |
| Multilingual | English only | English only | 30+ languages |
| Price | $0-12/mo | $0-10/mo | $0-5/mo |
Our Verdict
Grammarly for English, ProWritingAid for authors, LanguageTool for multilingual
How to Choose
- Test all free tiers before committing to a paid plan
- Consider your primary use case — each tool has different strengths
- Factor in your existing tool stack and integrations
- Start with one tool and add others as needed
FAQ
Can I use all three?
While possible, most users find that two tools cover all their needs. Pick the best fit for your primary and secondary use cases.
Which has the best free option?
All three offer some form of free access. Test each for a week with your actual workflow before deciding which to upgrade.
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