Grammarly vs Quillbot
A side-by-side comparison of Grammarly and Quillbot to help you decide which tool is the better fit for your needs in 2026.
| Feature | Grammarly | Quillbot |
|---|---|---|
| Rating | 4.5/5 | 4/5 |
| Pricing | Free / $12/mo Premium | Free / $10/mo Premium |
| Category | AI Writing | AI Writing |
| Features | 5 listed | 5 listed |

Grammarly
★★★★½ 4.5/5AI WritingAI writing assistant for grammar, clarity, and tone detection. Works everywhere you write.
Pricing
Free / $12/mo Premium
Key Features
- ✓Real-time grammar and spelling correction across browsers and apps
- ✓Tone detection and adjustment suggestions
- ✓Plagiarism checker with billions of web pages scanned
- ✓Brand style guide enforcement for teams
- ✓AI-powered full sentence rewrites and clarity improvements
Pros
- +Works seamlessly across almost every writing platform
- +Free tier is genuinely useful for basic grammar checks
- +Excellent browser extension and desktop app integration
- +Detailed explanations for every suggestion
Cons
- −Premium pricing adds up for individual users
- −Can be overly aggressive with suggestions on creative writing
- −Plagiarism checker only available on Premium and Business plans

Quillbot
★★★★ 4/5AI WritingAI paraphrasing and writing tool. Reword content in multiple styles with built-in summarizer and translator.
Pricing
Free / $10/mo Premium
Key Features
- ✓AI paraphrasing with 7 different rewriting modes
- ✓Built-in grammar checker and writing suggestions
- ✓Summarizer for condensing long articles and papers
- ✓AI-powered translator supporting 45+ languages
- ✓Citation generator for academic papers in multiple formats
Pros
- +Excellent paraphrasing quality across multiple tones
- +Free tier includes core paraphrasing features
- +Great for non-native English speakers improving fluency
- +Chrome extension works directly in Google Docs and email
Cons
- −Free version has character limits per paraphrase
- −Less comprehensive writing assistant compared to Grammarly
- −Summarizer and translator features are basic on free plan
The Verdict
Grammarly edges ahead with a 4.5/5 rating compared to Quillbot's 4/5. However, the best choice depends on your specific needs and budget.