Grammarly vs QuillBot: Full Comparison [2026]
Compare Grammarly and QuillBot on grammar checking, paraphrasing, AI writing, and pricing. Find the best English writing assistant for your needs.
Verdict:Grammarly is the leading all-in-one English writing assistant with grammar checking, tone detection, and broad platform support. QuillBot specializes in paraphrasing with 7 rewriting modes. For comprehensive proofreading, choose Grammarly; for text rewriting, choose QuillBot.
Table of Contents
Grammarly & QuillBot Overview
Grammarly
The world's largest AI-powered English writing assistant for grammar, spelling, tone, and clarity.
Learn more about Grammarly →QuillBot
AI paraphrasing tool offering text rewriting, summarization, and grammar checking.
Learn more about QuillBot →Feature & Pricing Comparison
| Feature | Grammarly | QuillBot |
|---|---|---|
| Pricing | Free / Premium $12/mo / Business $15/mo | Free / Premium $9.95/mo |
| Grammar Check | Very high accuracy | High accuracy |
| Paraphrasing | Basic rephrasing suggestions | 7 advanced paraphrasing modes |
| Tone Detection | Available (emotion and formality) | Limited |
| Plagiarism Check | Premium and above | Premium and above |
| Platform Support | Browser extension, Word, Gmail, etc. | Browser extension, Word, Chrome |
| AI Writing | GrammarlyGO included | Co-Writer feature |
| Multilingual | English-focused | English-focused (translation available) |
Our Verdict
Our Verdict
Grammarly is the leading all-in-one English writing assistant with grammar checking, tone detection, and broad platform support. QuillBot specializes in paraphrasing with 7 rewriting modes. For comprehensive proofreading, choose Grammarly; for text rewriting, choose QuillBot.
Recommendations by Use Case
Comprehensive English proofreading
All-in-one grammar, spelling, tone, and clarity checking — ideal for business English.
Text rewriting and paraphrasing
7 paraphrasing modes enable diverse text rewrites.
Budget-conscious users
Premium at $9.95/mo is about $2 less than Grammarly.
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