LanguageTool vs QuillBot — Head-to-Head Comparison
Quick verdict: QuillBot edges ahead
with a 4.5/5 rating vs 4.3/5.
See the full breakdown below.
Feature Comparison
| Feature | LanguageTool | QuillBot |
|---|---|---|
| Grammar and style checking in 30+ languages | ✓ | — |
| Real-time corrections as you type | ✓ | — |
| Browser extension (Chrome, Firefox, Edge, Safari) | ✓ | — |
| Microsoft Word and Google Docs add-ins | ✓ | — |
| LibreOffice add-in | ✓ | — |
| AI-powered paraphrasing suggestions | ✓ | — |
| Picky Mode (advanced style suggestions) | ✓ | — |
| Custom dictionary and rules | ✓ | — |
| Team management (Premium) | ✓ | — |
| API access for developers | ✓ | — |
| Paraphraser with 7 modes (Standard, Fluency, Formal, Academic, Creative, Simple, Expand) | — | ✓ |
| Grammar Checker | — | ✓ |
| AI Summarizer | — | ✓ |
| Citation Generator (APA, MLA, Chicago) | — | ✓ |
| Plagiarism Checker | — | ✓ |
| Translation (30+ languages) | — | ✓ |
| Word flipper and synonym controls | — | ✓ |
| Google Docs extension | — | ✓ |
| Microsoft Word add-in | — | ✓ |
| Chrome extension | — | ✓ |
Pricing Comparison
| Plan | LanguageTool | QuillBot |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Subscription | Subscription |
Which Should You Choose?
Choose LanguageTool if...
Open-source AI grammar checker supporting 30+ languages including German, French, Spanish
Try LanguageTool FreeChoose QuillBot if...
AI paraphrasing and grammar tool trusted by 35 million users worldwide
Try QuillBot Free