Grammarly vs Superhuman
Complete comparison guide to help you choose the right writing tool for your needs.
The Winner
Grammarly
Has a slight advantage based on user ratings and overall value. Both tools are excellent - Superhuman may still be better for specific use cases.
Quick Comparison
| Criteria |  Grammarly |  Superhuman |
|---|---|---|
| Starting Price | Free tier Best | $30/mo |
| User Rating | 4.5 | 4.7 Best |
| Review Count | 36,657 Best | 1,133 |
| Free Trial | No | No |
| Annual Discount | N/A | N/A |
| Best For | Fast, polished business writing | High-volume email professionals |
Feature Breakdown
Feature Comparison
Grammarly Superhuman Grammarly
- Industry-leading accuracy
- Generous AI prompt quotas
- Truly cross-platform
- Documented ROI
- English-only limitation
- Can be overly prescriptive
- Expensive for individuals
Superhuman
- Auto Drafts write in your voice
- 100+ keyboard shortcuts
- 59% faster email writing
- Intelligent Auto Labels
- Premium pricing
- No unified inbox
- Steep keyboard learning curve
Grammarly Overview
Grammarly is an AI-powered writing assistant that catches grammar, spelling, and punctuation errors while offering tone adjustments, full-sentence rewrites, and plagiarism detection. With a generous free tier (100 AI prompts/month) and Pro at $30/month (1,000 prompts), it works seamlessly across browsers, desktop apps, MS Office, and Google Docs. Enterprise teams get custom AI models, advanced analytics, and SSO starting at 150+ seats.
Best For:
- Fast, polished business writing
- Teams requiring brand consistency and style guides
- Users working in fast-paced environments prioritizing efficiency
- Organizations needing measurable ROI and analytics
- English-language writers across all variants (US, UK, Canadian, Australian, Indian)
- Companies requiring enterprise security (SSO, audit logs)
- Teams of 3-150+ members needing collaboration features
Superhuman Overview
Superhuman transforms email productivity with AI-powered Auto Drafts, Auto Labels, and 100+ keyboard shortcuts. Best for executives processing 100+ emails/day seeking 59% faster email writing. Starts at $25/mo-premium pricing for premium productivity.
Best For:
- High-volume email professionals
- Sales teams needing CRM integration
- Power users who value speed and keyboard shortcuts
- Teams willing to invest in email productivity ($30-40/user/mo)
- Organizations using Gmail or Outlook (both supported)
Our Verdict
Grammarly has a slight edge based on user ratings and overall value. Both tools are excellent - Superhuman may still be better for High-volume email professionals.
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