Grammarly vs QuillBot — Head-to-Head Comparison
Quick verdict: Grammarly edges ahead
See the full breakdown below.
Feature Comparison
| Feature | Grammarly | QuillBot |
|---|---|---|
| Real-time grammar, spelling, and punctuation correction | ✓ | — |
| Tone Detector | ✓ | — |
| Clarity and conciseness suggestions | ✓ | — |
| Vocabulary enhancement | ✓ | — |
| Plagiarism detection (Pro) | ✓ | — |
| GrammarlyGO (generative AI rewrites and suggestions) | ✓ | — |
| Style Guides (Business plan) | ✓ | — |
| Browser extension (Chrome, Firefox, Safari, Edge) | ✓ | — |
| Desktop app for Windows and Mac | ✓ | — |
| Microsoft Word and Google Docs add-ins | ✓ | — |
| 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 | Grammarly | QuillBot |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Subscription | Subscription |
Which Should You Choose?
Choose Grammarly if...
AI writing assistant trusted by 30 million daily users for grammar and clarity
Try Grammarly FreeChoose QuillBot if...
AI paraphrasing and grammar tool trusted by 35 million users worldwide
Try QuillBot Free