Grammarly vs Quillbot
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Grammarly | Quillbot |
|---|---|---|
| Pricing | $12/mo Premium | $19.95/mo Premium |
| Best for | Professional & business writing | Paraphrasing & academic writing |
| Unique feature | Tone detection & suggestions | Paraphraser with multiple modes |
| Integrations | Chrome, Safari, Firefox, Edge, Office, Google Docs | Chrome, Edge, Safari, Google Docs, Word |
| Plagiarism checker | Yes (Premium) | Yes (Premium) |
| AI detection | Yes | Yes |
Choose Quillbot if your primary need is paraphrasing, citation generation, and academic writing support with a strong paraphraser. Choose Grammarly if you need robust real-time grammar, tone suggestions, and style enforcement for professional and business communication. Grammarly's tone detection and full-sentence rewrites are superior for clarity and credibility, while Quillbot excels in rewriting and summarizing.
AI writing assistant for grammar, tone, and full-sentence rewrites everywhere you write.
Visit WebsiteWho should pick which
- College studentPick: Quillbot
Quillbot's paraphraser, citation generator, and summarizer are tailored for academic writing and research papers.
- Professional writerPick: Grammarly
Grammarly's tone detection, style suggestions, and full-sentence rewrites ensure polished, credible business communication.
- Non-native English speakerPick: Quillbot
Quillbot's paraphraser with fluency mode helps improve sentence structure and clarity, and the translator aids understanding.
- Marketing teamPick: Grammarly
Grammarly Business offers brand tone enforcement, style guides, and analytics for consistent messaging across team content.
- Content creator (blogger)Pick: Quillbot
Quillbot's AI humanizer and image generation assist in creating original content and visuals, plus plagiarism check avoids duplication.
Frequently Asked Questions
Grammarly vs Quillbot: which should you choose?
Choose Quillbot if your primary need is paraphrasing, citation generation, and academic writing support with a strong paraphraser. Choose Grammarly if you need robust real-time grammar, tone suggestions, and style enforcement for professional and business communication. Grammarly's tone detection and full-sentence rewrites are superior for clarity and credibility, while Quillbot excels in rewriting and summarizing.
Can Quillbot check grammar as well as Grammarly?
Quillbot has a grammar checker, but it's less robust than Grammarly's real-time suggestions, especially for tone and style.
Does Grammarly have a paraphrasing tool?
Yes, Grammarly Pro includes full-sentence rewrites, but Quillbot's paraphraser offers multiple modes and is more flexible.
Which tool is better for avoiding plagiarism?
Both have plagiarism checkers. Quillbot's paraphrasing helps rephrase sources, while Grammarly checks against web pages. Quillbot may be more proactive.
Can I use both together?
Yes, many users combine them: Quillbot for rewriting and citations, Grammarly for final grammar and tone polish.
Which tool integrates with Google Docs?
Both integrate with Google Docs via browser extensions. Grammarly's integration is more seamless for real-time feedback.
Which has a better free plan?
Grammarly Free offers more comprehensive grammar and tone checks. Quillbot Free is limited in paraphrasing and lacks plagiarism check.
Does Quillbot detect AI-generated text?
Yes, Quillbot includes an AI detector to identify AI-written content, similar to Grammarly's AI detection.
Which is more affordable for individual use?
Grammarly Premium at $12/mo is cheaper than Quillbot Premium at $19.95/mo, but Quillbot offers more features like summarizer and citation generator.
More Grammarly or Quillbot comparisons
If you need a versatile AI for research, coding, and creative brainstorming, ChatGPT wins—especially with its free tier and advanced reasoning models. But if your work is about refining existing text,
Choose Paperpal if you are a researcher or academic preparing a manuscript for journal submission – its submission readiness checks and academic-specific grammar/paraphrasing are unmatched. Pick Quill
Explore each tool further
Browse these categories
One email a week — new tools, honest comparisons, no spam.
Last reviewed: May 12, 2026