GrammarProAI Grammar Checker vs Grammarly: Which Is Better?
By GrammarPro Team
AI Grammar Checkers: A New Era
Traditional grammar checkers relied on rules-based systems. Modern AI grammar checkers like GrammarPro use large language models that understand context, meaning, and nuance. This makes them significantly more accurate.
GrammarPro vs Grammarly
Features
GrammarPro:
- 6 specialized modes (Grammar, Spelling, Punctuation, Clarity, Formal, Concise)
- AI-powered contextual checking
- Real-time streaming corrections
- Free with no signup required
- Web-based tool
Grammarly:
- Grammar, spelling, and punctuation checking
- Tone detection
- Browser extension and desktop app
- Integrations with many platforms
- Free tier + Premium subscription
Accuracy
Both tools are highly accurate for grammar, spelling, and punctuation. GrammarPro's advantage is its specialized modes — you can focus on exactly what you need (just spelling, just punctuation, etc.) rather than getting all suggestions at once.
Pricing
- GrammarPro: Free (3 checks/day), Free with account (5/day), Pro $7.99/month
- Grammarly: Free (basic), Premium $12/month, Business $15/month
When to Use Each
Use GrammarPro when:
- You need a quick grammar check without installing anything
- You want specialized modes (clarity, formal tone, concise writing)
- You want a free tool with no signup
- You're checking a specific document
Use Grammarly when:
- You want always-on checking across all apps
- You need browser extension integration
- You want tone suggestions while writing
The Bottom Line
Both tools are excellent. GrammarPro is the best choice for quick, focused grammar checking with specialized modes. Grammarly is better for always-on monitoring across all your writing. Many writers use both!
Frequently Asked Questions
Is GrammarPro better than Grammarly?
Both are excellent tools. GrammarPro offers free AI-powered grammar checking with 6 specialized modes, while Grammarly offers a browser extension and more integrations. GrammarPro is free to start with no signup required.
Is Grammarly free?
Grammarly has a free tier with basic grammar checking. Premium features require a subscription starting at $12/month. GrammarPro offers free grammar checking with 6 modes and no signup required.
Which grammar checker is most accurate?
Both AI-powered grammar checkers are highly accurate. GrammarPro uses GPT-4o-mini for contextual understanding, while Grammarly uses its own AI models. For most users, both produce excellent results.