Grammarly vs QuillBot: Honest Comparison (2026)
Last updated: March 2026
Grammarly and QuillBot are both affordable writing assistants, but they lead with different strengths. Grammarly is the premier grammar and style checker, correcting and polishing your writing everywhere you type. QuillBot is best known for paraphrasing — rewriting text in different tones — plus a summarizer and citation tools. Here is how they compare for improving your writing.
Grammarly
AI writing assistant for clear, effective communication
QuillBot
AI paraphrasing, grammar, and writing assistant
Feature-by-feature comparison
| Feature | Grammarly | QuillBot |
|---|---|---|
| Grammar Checking | Best-in-class | Good |
| Paraphrasing | Basic | Excellent |
| Summarizer | Limited | Yes |
| Citation Generator | No | Yes |
| Plagiarism Check | Yes | Yes |
| Inline Everywhere | Yes | Extensions |
| Starting Price | $12/mo | $9.95/mo |
| Best For | Grammar & polish | Paraphrasing & study |
Grammarly Pros & Cons
- Works everywhere you write
- Excellent free tier
- Trusted by 30M+ users
- Strong privacy controls
- Generative AI only in premium
- Can be overly cautious with suggestions
- Limited creative writing support
QuillBot Pros & Cons
- Excellent paraphrasing
- Very affordable
- Great for non-native writers
- Useful all-in-one toolkit
- Not a full content generator
- Free tier word limits
- Paraphrased text often needs editing
Choose Grammarly if...
Choose Grammarly if you want the best real-time grammar and style checking that works everywhere you write, with strong tone detection and a polished experience.
Choose QuillBot if...
Choose QuillBot if paraphrasing, summarizing, and citation tools matter most, or if you want a capable all-in-one writing toolkit at a lower price.
Final verdict
Grammarly is the better everyday editor: its grammar, clarity, and tone suggestions are more polished and work inline across every app. QuillBot is the better value and the stronger choice if paraphrasing, summarizing, or academic tools are your priority. Many students and non-native writers use both — QuillBot to rewrite, Grammarly to polish.