ProWritingAid
QuillBot
| Feature | ||
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $9.95/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.3 / 5 |
| Best For | authors, fiction-writers, bloggers, students | students, academics, non-native-speakers, writers, researchers |
| Founded | 2012 | 2017 |
| Grammar Check | ✓ | ✓ |
| Style Reports | ✓ | ✗ |
| Plagiarism Check | ✓ | ✗ |
| Readability | ✓ | ✗ |
| Overused Words | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Paraphrasing | ✗ | ✓ |
| Summarizer | ✗ | ✓ |
| Translator | ✗ | ✓ |
| Citation Generator | ✗ | ✓ |
| Browser Extension | ✗ | ✓ |
| Word Plugin | ✗ | ✓ |
✓ ProWritingAid Pros
- Detailed writing reports
- Lifetime plan available
- Good for fiction
- Many integrations
✗ ProWritingAid Cons
- Can be overwhelming
- Slower than Grammarly
- Less accurate suggestions
✓ QuillBot Pros
- Excellent paraphrasing with multiple modes
- Integrated grammar checker
- Works within Google Docs and Word
- Affordable premium plan
✗ QuillBot Cons
- Paraphrasing can change meaning
- Free tier limits paragraph length
- Less powerful than full AI assistants
The Verdict
ProWritingAid is built for authors and fiction writers, with a focus on grammar-check and style-reports. QuillBot targets students and academics and leads with paraphrasing and grammar-check.
Both tools come in at similar price points ($10/mo for ProWritingAid, $9.95/mo for QuillBot), so pricing won't make the decision for you.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, QuillBot offers broader built-in capabilities (7 features vs 6), while ProWritingAid takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for students — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.