Pricing Breakdown
- Basic grammar and spelling checks
- Basic punctuation checks
- Concise writing suggestions
- Basic tone detection
- 100 AI prompts per month
- Browser extension, desktop app, mobile app
- Email support
- Advanced grammar, spelling, and punctuation
- Vocabulary enhancement and full-sentence rewrites
- Advanced tone adjustments and formality levels
- Plagiarism detection
- 1,000 AI prompts per member per month
- Style guides and brand tone
- Snippets (reusable content)
- Up to 149 team members
- Email + chat support
- 7-day free trial
- All Pro features
- 2,000+ AI prompts per member per month (customizable)
- Custom AI models
- Advanced brand tone and style guides
- Usage analytics and audit logs
- Granular permissions and account roles
- Single Sign-On (SSO)
- Enhanced security and data encryption
- VIP customer service and dedicated onboarding
- Unlimited team members (150+ seats)
Save 60% with annual billing-Pro drops to $12/month ($144/year vs $360 paid monthly). See our detailed Pricing Page for more information.
Feature Analysis
Grammarly has evolved well beyond basic grammar checking. The launch of 8 specialized AI agents (Reader Reactions, Grader, Citation Finder, Paraphraser) transformed it into a document-based writing environment. The platform's strength lies in its cross-platform consistency - identical suggestions whether writing in Gmail, Google Docs, Word, or Slack. The Pro tier's 1,000 monthly AI prompts is genuinely generous compared to competitors who cap at 100-200.
Writing Assistance
Advanced grammar, spelling, punctuation checks with full-sentence rewrites and vocabulary enhancement. 8 specialized AI agents handle everything from citation finding to tone grading.
Cross-Platform Integration
Browser extension, desktop app, mobile app, MS Office (Word + Outlook), Google Docs integration. Works consistently across all platforms with real-time suggestions.
Team Collaboration
Style guides, brand tone, snippets (reusable content), and usage analytics for Enterprise. Supports 1-149 members on Pro, unlimited on Enterprise with granular permissions.
Pricing Value
$30/month for Pro (60% off annually to $12/month). Free tier is surprisingly capable with 100 AI prompts. 17x documented ROI makes it cost-effective.
AI Content Generation
100-1,000 prompts/month depending on tier. Document-based AI assistant with specialized agents. Enterprise gets custom models and 2,000+ prompts.
Key Capabilities
- ✓ 8 specialized AI agents (Aug 2026): Reader Reactions, Grader, Citation Finder, Paraphraser, etc.
- ✓ New document-based interface with AI assistant
- ✓ Grammar, spelling, and punctuation checks
- ✓ Generative AI writing (100-1,000 prompts/month)
- ✓ Full-sentence rewrites and tone adjustments
- ✓ Plagiarism detection and AI content detection
- ✓ Cross-platform: browser, desktop, mobile, MS Office, Google Docs
The Honest Truth
- Industry-leading accuracy - Strong ratings across user reviews. Advanced grammar and punctuation detection outperforms competitors in blind tests.
- Generous AI prompt quotas - 1,000 prompts/month on Pro tier vs competitors' 100-200. Enterprise gets 2,000+ with custom models.
- Truly cross-platform - Consistent experience across browser, desktop, mobile, MS Office, Google Docs. Browser extension works on 500K+ sites.
- Documented ROI - 17x ROI backed by case studies. Users save 19 working days annually (3.65 hours/week). 76% report increased productivity.
- Strong team features - Style guides, brand tone, snippets, and analytics. Enterprise gets SSO, audit logs, and granular permissions.
- English-only limitation - Supports US, UK, Canadian, Australian, and Indian English variants, but no other languages. Multilingual teams need alternatives like DeepL.
- Can be overly prescriptive - Flags intentional grammar bends in creative writing or dialogue. Technical writers with domain jargon find it intrusive.
- Expensive for individuals - $30/month for Pro (even at $12/month annually) is pricey for casual users. Free tier's 100 prompts run out quickly.
- No offline mode - Requires internet connection. Desktop app still needs connectivity for AI features and real-time checks.
Who Should Use This
Business Communication
Best FitPolish emails, reports, and presentations with tone adjustments and brand consistency. Teams save 35% on copy/paste tasks.
Content Creation
Best FitBlog posts, articles, marketing copy with plagiarism detection and full-sentence rewrites. 1,000 AI prompts/month accelerate drafting.
Team Collaboration
Best FitStyle guides and brand tone ensure consistency across 1-149 team members. Enterprise analytics track usage and adoption.
Academic Writing
Good FitCitation Finder agent and plagiarism detection help students and researchers. Free tier's 100 prompts suit light users.
Creative Writing
Not IdealIntentional grammar bends in dialogue get flagged as errors. Style suggestions can homogenize voice. Use selectively.
Multilingual Teams
Not IdealEnglish-only support means non-native English speakers get no help in their native language. Consider DeepL or Smartcat instead.
vs. Competition
Frequently Asked Questions
ROI Calculator
Calculate your potential ROI with Grammarly
GrammarlyWriting Time Savings Calculator
- 65% time reduction based on vendor-reported 76% productivity increase and 3.65 hours/week savings
- 17x ROI metric derived from case studies with 70K+ teams including Atlassian, Databricks, Zoom
- 92% of users report measurable time savings on writing/editing tasks
- Calculation assumes $50/hour professional rate for ROI estimates