Grammarly
WritingAI-powered writing assistant for clear communication
3 comparisons 3W – 0L
Pricing
Free
$0/mo
- Basic grammar & spelling
- Tone detection
- Browser extension
Premium
$12/mo (annual)
- Full style & clarity checks
- Full-sentence rewrites
- Plagiarism detection
- 1,000 AI prompts/mo
Business
$15/user/mo
- Brand tones & style guides
- Admin panel & analytics
- SAML SSO
- Priority support
Key Features
- Real-time grammar, spelling, and punctuation correction across 500K+ apps
- GrammarlyGO generative AI for composing and rewriting
- Tone detection and adjustment for intended voice
- Plagiarism detection against billions of web pages
- Cross-platform integration (Google Docs, Word, Gmail, Slack, Notion)
Pros & Cons
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
- Premium costs $12/mo annually but no monthly option — you're locked into a yearly commitment
- Limited deep style analysis — lacks the 20+ reports long-form writers need
- AI prompt cap of 1,000/month feels restrictive for power users
Grammarly Comparisons
Grammarly vs 
LanguageTool
Grammarly wins for AI-powered English writing. LanguageTool wins for multilingual support and privacy.
Grammarly wins
Grammarly vs 
QuillBot
Grammarly wins for grammar accuracy and everyday writing. QuillBot wins for paraphrasing, summarizing, and budget-conscious users.
Grammarly wins
Grammarly vs 
ProWritingAid
Grammarly wins for everyday writing speed and polish. ProWritingAid wins for deep editing and long-term value.
Grammarly wins