Grammarly Business
ProWritingAid
| Feature | Grammarly Business | ProWritingAid |
|---|---|---|
| Pricing | From $15/mo | Free / from $10/mo |
| Free Plan | ✗ No | ✓ Yes |
| Rating | 4.5 / 5 | 4.4 / 5 |
| Best For | enterprise, marketing-teams, content-creators, agencies | authors, fiction-writers, bloggers, students |
| Founded | 2009 | 2012 |
| Grammar Check | ✓ | ✓ |
| Tone Detection | ✓ | ✗ |
| Style Guides | ✓ | ✗ |
| Analytics | ✓ | ✗ |
| Plagiarism Detection | ✓ | ✗ |
| Brand Tones | ✓ | ✗ |
| Style Reports | ✗ | ✓ |
| Plagiarism Check | ✗ | ✓ |
| Readability | ✗ | ✓ |
| Overused Words | ✗ | ✓ |
| Integrations | ✗ | ✓ |
✓ Grammarly Business Pros
- Real-time writing suggestions
- Team style guides
- Analytics dashboard
- Works across apps
✗ Grammarly Business Cons
- Expensive for large teams
- Occasional false positives
- Limited offline support
✓ ProWritingAid Pros
- Detailed writing reports
- Lifetime plan available
- Good for fiction
- Many integrations
✗ ProWritingAid Cons
- Can be overwhelming
- Slower than Grammarly
- Less accurate suggestions
The Verdict
Grammarly Business is built for enterprise and marketing teams, with a focus on grammar-check and tone-detection. ProWritingAid targets authors and fiction writers and leads with grammar-check and style-reports.
On pricing, ProWritingAid is the clear winner for budget-conscious users — starting at $10/mo compared to $15/mo for Grammarly Business. That $5/mo difference adds up quickly for growing teams.
ProWritingAid has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Grammarly Business requires a paid subscription from day one.
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.