Head-to-Head Comparison
Grammarly vs QuillBot
Which Writing is right for you? See our complete breakdown.
Feature Comparison
| Feature | Grammarly | QuillBot |
|---|---|---|
| MegaOne Score | 7/10 | 8/10 |
| Category | Writing | Writing |
| Pricing Model | Freemium | Freemium |
| Starting Price | $12.00/mo | $19.95/mo |
| Free Tier | Yes | Yes |
| API Available | No | No |
| Open Source | No | No |
| iOS App | No | No |
| Android App | No | No |
| Chrome Extension | No | No |
| Company | Superhuman Platform Inc. | Learneo, Inc. |
| Total Funding | $1.4B | $4M |
Visual Comparison
Grammarly QuillBot
About Grammarly
An AI writing assistant that helps individuals and teams communicate clearly, confidently, and consistently across various platforms.
Grammarly is an AI-powered writing assistant that provides real-time suggestions for grammar, spelling, punctuation, clarity, and tone. As of late 2025, its parent company rebranded to Superhuman Platform Inc., integrating Grammarly into the broader Superhuman Suite alongside Superhuman Mail and Coda, and expanding its generative AI capabilities with GrammarlyGO (v4.0) to offer drafting, rewriting, and summarization features across over a million apps and websites.
About QuillBot
QuillBot is an AI-powered writing assistant that offers paraphrasing, grammar checking, summarizing, and other tools to enhance writing quality and efficiency.
QuillBot is an AI writing and paraphrasing tool designed to help users refine and enhance text, improve clarity, and avoid plagiarism. It provides a comprehensive suite of features including a paraphraser with multiple modes, a grammar checker, a summarizer, a plagiarism checker, an AI detector, a citation generator, and a translator. The platform also integrates an AI Humanizer and a unified workspace called QuillBot Flow, making it a versatile tool for students, writers, and professionals seeking to improve their content.
The Verdict
QuillBot takes the edge
With a MegaOne score of 8/10 versus 7/10, QuillBot edges ahead of Grammarly in our analysis. However, Grammarly may still be the better choice depending on your specific use case and budget.
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