Grammarly vs ProWritingAid
Head-to-head comparison of Grammarly and ProWritingAid. Pricing, features, and a clear verdict for solopreneurs and content creators.
Speed vs. Depth
Grammarly
Grammarly is an always-on editing copilot. It lives in your browser and corrects as you type across every platform — Gmail, Google Docs, Slack, Notion. You never have to context-switch. It's fast, polished, and invisible until you need it.
ProWritingAid
ProWritingAid is a deep editing workshop. You bring your draft to it for thorough analysis. Its 20+ reports on pacing, readability, sentence variation, and cliches go far beyond surface-level grammar. It makes you a better writer, not just a more correct one.
Performance Scores
Feature Breakdown
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Real-time Browser Corrections | Excellent | Functional but slower |
| In-depth Writing Reports | Basic (clarity, engagement) | 20+ detailed reports |
| AI Writing Assistant | GrammarlyGO (1K prompts/mo) | AI Sparks (fewer limits) |
| Plagiarism Detection | Unlimited (Premium) | 50 checks/year (Pro) |
| Scrivener Integration | ❌ No | ✅ Yes |
Pricing Showdown
Grammarly
AI-powered writing assistant for clear communication
ProWritingAid
In-depth writing analysis for serious writers
Pros & Cons
Grammarly
Pros
- • Seamless everywhere — browser extension works inline in virtually any text field without switching tools
- • GrammarlyGO is context-aware and reads surrounding text to match your writing style
- • Extremely polished UX with zero learning curve for non-technical users
Cons
- • Expensive at $30/mo monthly billing — no lifetime deal available
- • Limited deep style analysis — lacks the 20+ reports long-form writers need
- • AI prompt cap of 1,000/month feels restrictive for power users
ProWritingAid
Pros
- • Unmatched depth for long-form writing with 20+ reports Grammarly doesn't offer
- • Lifetime deal pays for itself vs Grammarly Premium within 2 years
- • Only serious grammar tool that works natively inside Scrivener
Cons
- • Noticeably slower UX — analysis of 5K+ word docs can lag several seconds
- • Browser extension is less reliable across websites than Grammarly's
- • Free tier is nearly unusable with 500-word limit per check
The Bottom Line
Choose Grammarly if you write across many apps every day — emails, social posts, client messages. The always-on browser extension saves more cumulative time than any other writing tool.
Get Grammarly →Choose ProWritingAid if you write blog posts, ebooks, or course content over 1,500 words. The lifetime deal eliminates subscription costs and the reports genuinely improve your craft.
Get ProWritingAid →