Grammarly vs QuillBot (2026)
A side-by-side comparison of Grammarly and QuillBot on pricing, features, and fit, so you can decide which is right for you.
Quick answer
Grammarly and QuillBot are both strong choices, but they fit different needs. Choose Grammarly if you mainly need students proofreading essays, research papers, and academic assignments before submission — its edge is seamless integration with virtually all major writing platforms including browsers, word, and google docs. Choose QuillBot if you need students rewriting academic essays to improve clarity and avoid plagiarism — its edge is generous free tier makes it accessible without a subscription. Grammarly starts at Premium starts at approximately $12/month (billed annually).; QuillBot starts at $8.33/month (billed annually) for Premium.
Features compared
- Real-time grammar, spelling, punctuation, and clarity corrections across browsers and apps
- Tone detection and suggestions to match your intended writing style and audience
- Generative AI writing assistance for drafting, rewriting, and ideating content
- Plagiarism detection against billions of web pages (Premium feature)
- Multi-mode AI paraphraser with Standard, Fluency, Formal, and Creative styles
- Built-in grammar checker and punctuation corrector
- AI summarizer that condenses long texts into key points
- Citation generator supporting APA, MLA, and Chicago formats
Pros & cons
- Seamless integration with virtually all major writing platforms including browsers, Word, and Google Docs
- Intuitive real-time feedback that explains why a change is suggested, helping users learn over time
- Comprehensive writing assistance that goes beyond grammar to include tone, clarity, and style improvements
- The free tier is quite limited, and many essential features require a paid Premium subscription
- Occasionally offers overly aggressive suggestions that can alter the writer's intended voice or tone
- Generous free tier makes it accessible without a subscription
- Seamless integration with Google Docs and Microsoft Word
- Wide range of writing tools beyond just paraphrasing in one platform
- Free plan limits paraphrasing to 125 words at a time, which can interrupt workflow
- Some paraphrasing modes and advanced features are locked behind the Premium plan
The verdict
Choose Grammarly if
you mainly need to students proofreading essays, research papers, and academic assignments before submission. Its edge: seamless integration with virtually all major writing platforms including browsers, word, and google docs.
Choose QuillBot if
you mainly need to students rewriting academic essays to improve clarity and avoid plagiarism. Its edge: generous free tier makes it accessible without a subscription.
Frequently asked questions
Is Grammarly better than QuillBot?
Neither is universally better. Grammarly is stronger for students proofreading essays, research papers, and academic assignments before submission, with an edge in seamless integration with virtually all major writing platforms including browsers, word, and google docs. QuillBot is stronger for students rewriting academic essays to improve clarity and avoid plagiarism, with an edge in generous free tier makes it accessible without a subscription. Pick based on your main task.
Which is cheaper, Grammarly or QuillBot?
Grammarly starts at Premium starts at approximately $12/month (billed annually). and QuillBot starts at $8.33/month (billed annually) for Premium. Free tier: Grammarly — Free plan includes basic grammar, spelling, and punctuation checks with limited suggestions.; QuillBot — Free plan includes limited paraphrasing (125 words), summarizer, and grammar checker.
What is Grammarly best for?
Grammarly is best for students proofreading essays, research papers, and academic assignments before submission, professionals drafting error-free emails, reports, and business proposals, content creators and bloggers improving readability and engagement of their articles.
What is QuillBot best for?
QuillBot is best for students rewriting academic essays to improve clarity and avoid plagiarism, professionals polishing business emails, reports, and presentations, non-native english speakers improving grammar and natural phrasing.
Do Grammarly and QuillBot have free plans?
Grammarly: Free plan includes basic grammar, spelling, and punctuation checks with limited suggestions.. QuillBot: Free plan includes limited paraphrasing (125 words), summarizer, and grammar checker. Check each tool's pricing page for current limits, as plans change.