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Grammarly
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ProWritingAid
Grammarly vs ProWritingAid: Writing Assistants
We tested both writing tools across grammar, style, readability, and real-world writing workflows to find the best assistant.
Quick Comparison
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Price | $12/month (Premium) | $10/month (Premium) |
| Grammar Check | ★★★★★ 9.3 | ★★★★★ 9.0 |
| Style Suggestions | ★★★★☆ 8.5 | ★★★★★ 9.4 |
| Readability Analysis | ★★★★☆ 8.3 | ★★★★★ 9.5 |
| AI Rewriting | ★★★★★ 9.0 | ★★★★☆ 8.2 |
| Plagiarism Check | ✓ Included in Premium | ✓ Included in Premium |
| Integrations | Browser, MS Office, Google Docs, Desktop | Browser, MS Office, Scrivener |
| Free Plan | Yes (basic grammar) | Yes (limited) |
| Best For | Quick everyday writing fixes | Fiction writers, deep style analysis |
Detailed Analysis
Where Grammarly Wins
- More intuitive and user-friendly interface
- Better AI-powered rewriting and tone detection
- Wider platform integration (Google Docs, mobile)
- Generous free tier for basic grammar checking
- Real-time collaboration features for teams
Where ProWritingAid Wins
- 20+ detailed writing reports (style, pacing, dialogue)
- Superior readability and sentence structure analysis
- Scrivener integration for book writers
- Lifetime license option saves money long-term
- More detailed explanations for each suggestion
Our Verdict
Choose Grammarly if you need a polished, easy-to-use writing assistant that works everywhere — emails, docs, social media. Its AI rewriting and tone detection are best-in-class. Choose ProWritingAid if you're a serious writer (fiction or non-fiction) who wants deep style analysis, detailed reports, and doesn't mind a steeper learning curve. The lifetime deal makes it a bargain.