Writing & Copy comparison 
Grammarly vs QuillBot
Our pick: Grammarly scores 9.2/10 against 8.5/10 for QuillBot. Here's how they differ and which one fits your needs.
Grammarly
AI writing assistant for grammar, clarity and tone everywhere
9.2/10From $12/moOur pick
Visit Grammarly VS
At a glance
| Grammarly | QuillBot | |
|---|---|---|
| Our score | 9.2/10 | 8.5/10 |
| Best for | Students, Professionals, Teams | Students, ESL writers |
| Type | Grammar & editing | Paraphrasing |
| Pricing | Free plan | Free plan |
| Starting price | $12/mo | Free |
| Platforms | Web, Chrome, Mac, Windows, iOS, Android | Web, Chrome, Mac, Windows |
| Launched | 2009 | 2017 |
Key features
Grammarly
- Grammar and spelling
- Tone detection
- Generative rewrites
- Plagiarism checker
- AI detector
- Works in most apps
QuillBot
- Paraphraser with modes
- Grammar checker
- Summarizer
- Citation generator
- AI detector
- Humanizer
Grammarly: pros and cons
Pros
- Works almost everywhere you type
- Excellent grammar and clarity suggestions
- Strong free plan
Cons
- Best suggestions require Pro
- Can over-flag stylistic choices
QuillBot: pros and cons
Pros
- Best-known paraphrasing tool
- Lots of tools in one subscription
- Affordable premium
Cons
- Free paraphraser has word limits
- Paraphrased output still needs review
Verdict: Grammarly or QuillBot?
Choose Grammarly if you're students or professionals or teams and value works almost everywhere you type.
Choose QuillBot if you're students or esl writers and value best-known paraphrasing tool.
Overall we rate Grammarly slightly higher. Both are worth trying, and at least one has a free plan or trial. See all Writing & Copy tools for more options.
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