| Feature | Grammarly | QuillBot |
|---|---|---|
| What it does | AI writing assistant for grammar and tone. | Paraphrasing and writing tool. |
| Made by | Grammarly | QuillBot (Learneo) |
| Free plan | yes | yes |
| Price | Free plan available; paid from $12/month (Pro) | Free plan available; paid from $9.95/month billed annually (Premium) |
| Pricing checked | Last verified Oct 15, 2026 | Last verified Oct 15, 2026 |
| Skill level | beginner | beginner |
| Platforms | web, ios, android, windows, mac, browser-extension | web, ios, android, mac, browser-extension |
| Privacy | See the tool page | See the tool page |
Who Grammarly is for
Anyone who writes emails, reports, essays or posts and wants to catch mistakes and sound clearer.
Good points
- Works almost everywhere you type (browser, Word, email, desktop)
- Free plan catches spelling and grammar mistakes
- Pro plan rewrites full sentences and adjusts tone
- Discounts for students and educational institutions
Watch out for
- Suggestions can flatten your personal voice if accepted blindly
- Best rewriting features require Pro
- It reads what you type, so check your organization's privacy rules
Who QuillBot is for
Students, non-native English writers and anyone who wants help rewording or tidying up text.
Good points
- Free plan for short paraphrasing and grammar fixes
- Several rewriting modes for different tones
- Handy summarizer and citation tools
- Affordable Premium plan
Watch out for
- Free plan limits paraphrasing to short passages
- Paraphrasing someone else's work is not the same as original writing; cite sources
- Results still need a human read-through
More comparisons
New to this? Read our free guide: Getting started with AI chat assistants: prompting basics.
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