Discover the ultimate comparison between Quilbot and Grammarly in this detailed guide. Learn which writing assistant performs better for grammar checks, paraphrasing, plagiarism detection, and more—helping students, bloggers, and professionals choose the right tool for their writing needs.
Table of Contents
- Introduction
- What is QuillBot?
- What is Grammarly?
- User Interface and Ease of Use
- Grammar and Spelling Checks
- Paraphrasing and Rewriting Tools
- Plagiarism Detection
- Vocabulary and Style Enhancements
- AI-Powered Suggestions
- Integration and Accessibility
- Pricing Plans
- Best for Students
- Best for Professionals
- Performance Comparison
- Which One Should You Choose?
- Conclusion
- FAQs
Introduction
The world of writing has changed drastically with the rise of AI-powered tools. Writing tools like QuillBot and Grammarly are becoming indispensable tools for anyone, be they a blogger, student, or business professional. The true question, though, is which one does better. Let’sdive deep and compare the two to help you make the right choice.
What is QuillBot?
QuillBot started as a paraphrasing tool designed to help users reword sentences while maintaining the original meaning. It developed into a complete writing assistant over time.
Key features of QuillBot include:
- Paraphrasing in multiple modes (Fluency, Creative, Formal, etc.)
- Grammar and spell checker
- Summarizer tool
- Citation generator
What is Grammarly?
Grammarly has been around since 2009 and is widely regarded as one of the most advanced writing assistants. Its focus goes beyond grammar—it improves clarity, engagement, and tone.
Key features of Grammarly include:
- Real-time grammar and spelling corrections
- Style and tone adjustments
- Plagiarism checker
- Writing insights and weekly reports
User Interface and Ease of Use
- QuillBot: Simple, minimal design with easy-to-use paraphrasing options. Perfect for quick tasks.
- Grammarly: Sleek interface with detailed reports. More professional but slightly overwhelming for beginners.
Grammar and Spelling Checks

- QuillBot: Handles basic grammar and spelling issues but sometimes misses complex sentence errors.
Grammarly: Identifies complex grammatical errors such as ill-placed modifiers, verb-subject agreement, and overly wordy sentences.
Paraphrasing and Rewriting Tools
This is where QuillBot truly shines. It’s built to reword sentences while keeping the context intact. Writers who struggle with phrasing find it especially useful.
On the other hand, Grammarly doesn’t have a dedicated paraphraser but provides alternative suggestions for clarity.
Plagiarism Detection
- QuillBot: Doesn’t have a built-in plagiarism checker in its free plan.
- With its ability to scan billions of web sites, Grammarly is a powerful plagiarism detector.
Vocabulary and Style Enhancements
- QuillBot: Offers synonym suggestions through its word flipper. Great for creative writing.
- Grammarly: Focuses on tone and clarity, making sentences professional and audience-appropriate.
AI-Powered Suggestions
- QuillBot: Relies on paraphrasing algorithms and is excellent for rewording.
- Grammarly: Uses NLP (Natural Language Processing) to deeply analyze meaning and suggest improvements.
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Integration and Accessibility
Both tools are highly accessible:
- QuillBot: Works with Chrome, MS Word, and Google Docs.
- Grammarly: Available as a browser extension, desktop app, and integrates smoothly with emails, Word, and Docs.
Pricing Plans

- QuillBot: Free version with limited paraphrasing. Premium unlocks more modes starting at around $10/month.
- Grammarly: Free version with grammar basics. Premium starts around $12/month with advanced features.
Best for Students
- QuillBot: Excellent for rewriting essays, avoiding repetition, and generating citations.
- Grammarly: Helps improve grammar, tone, and originality with plagiarism detection.
Best for Professionals
- QuillBot: Great for reports, summaries, and paraphrasing technical jargon.
- Grammarly: Ensures professional emails, business proposals, and presentations are error-free and polished.
Performance Comparison
- Speed: QuillBot paraphrases instantly, while Grammarly takes a second longer to analyze but provides detailed insights.
- Accuracy: Grammarly is more accurate in grammar checks, while QuillBot wins in paraphrasing.
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Which One Should You Choose?
- Choose QuillBot if: You need paraphrasing, summaries, or citation generation.
- Choose Grammarly if: You need advanced grammar correction, tone adjustments, and plagiarism checks.
Some users even use both together—QuillBot for rewriting and Grammarly for polishing.
Conclusion
Both QuillBot and Grammarly have unique strengths. If you’re a student looking to paraphrase essays, QuillBot is your friend. Grammarly is your best option if you’re a professional looking to communicate in a polished, error-free manner.And if you’re someone who wants the best of both worlds—why not use them together?
FAQs
Q. Can QuillBot replace Grammarly?
A. Not entirely. QuillBot excels at paraphrasing, while Grammarly is stronger in grammar correction.
Q. Which is better for academic writing?
A. QuillBot helps with paraphrasing and citations, while Grammarly ensures proper grammar and plagiarism-free work.
Q. Do they work offline?
A. Both are primarily online tools. Limited offline features exist in Grammarly’s desktop app.
Q. Which one is more affordable?
A. QuillBot is slightly cheaper than Grammarly in premium plans.
Q. Can I use both together?
A. Yes! Many writers use QuillBot to rephrase and Grammarly to polish and check for errors.