Grammarly vs ProWritingAid: Best Grammar Checker in 2026?
Last updated: March 2026
Grammarly
4.7
4 wins
VS
ProWritingAid
4.4
2 wins
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TL;DR
Grammarly wins 4-2. Grammarly is better for business professionals who want fast, seamless grammar checking everywhere. ProWritingAid is better for authors and long-form writers who want deep style analysis at a lower price.
Try Grammarly →Feature-by-Feature Comparison
| Feature | Grammarly | ProWritingAid | Winner |
|---|---|---|---|
| Grammar Accuracy | 4.8 | 4.5 | Grammarly |
| Style Analysis | 4.2 | 4.8 | ProWritingAid |
| Integration | 5.0 | 4.2 | Grammarly |
| Pricing | 4.0 | 4.7 | ProWritingAid |
| Ease of Use | 4.8 | 4.3 | Grammarly |
| AI Rewriting | 4.5 | 4.0 | Grammarly |
Detailed Analysis
Grammar Accuracy
Winner: Grammarly94% error detection vs 89% in business writing
Style Analysis
Winner: ProWritingAid20+ detailed writing reports
Integration
Winner: GrammarlyWorks everywhere: browser, desktop, mobile
Pricing
Winner: ProWritingAidProWritingAid has $399 lifetime option
Ease of Use
Winner: GrammarlyPassive, frictionless experience
AI Rewriting
Winner: GrammarlyGrammarlyGO is more polished
Pricing Comparison
Frequently Asked Questions
Is Grammarly better than ProWritingAid?
Grammarly is better for business professionals who want fast, seamless grammar checking everywhere. ProWritingAid is better for authors and long-form writers who want deep style analysis at a lower price.
Which is cheaper, Grammarly or ProWritingAid?
Grammarly starts at $12/mo, while ProWritingAid starts at $30/mo. Both offer free tiers.
Can I use Grammarly and ProWritingAid together?
Yes, many professionals use both. Grammarly is preferred for Email writing and professional communication — prevents embarrassing typos and suggests tone adjustments for better response rates, while ProWritingAid shines at Novelists and fiction writers.
Which has better ratings, Grammarly or ProWritingAid?
Based on our expert testing, Grammarly scores 4.7/5 and ProWritingAid scores 4.4/5. Grammarly is rated higher.