Comparison
Grammarly vs Superhuman
Grammarly: AI writing assistant that improves grammar, clarity and tone in real time Superhuman: AI email client for clearing your inbox twice as fast.
| Grammarly | Superhuman | |
|---|---|---|
| Rating | 4.2 | 4.1 |
| Price | Freemium Free plan available. Pro plan from $12/month (billed annually) or $30/month (billed monthly). Enterprise: custom pricing. | Paid No free plan for the email client. Starter $25/user/month annual ($30 monthly); the Business plan ($33/month annual, $40 monthly) adds advanced AI, Grammarly and Coda. |
| Free plan | ||
| API available | ||
| Open source | ||
| In Spanish | ||
| No watermark | — | — |
| Platforms | Web · Windows · Mac · iOS · Android · Extension | Web · Mac · Windows · iOS · Android |
Grammarly
- Seamless integration across browsers, desktop and mobile apps, with support on over a million platforms
- Solid free plan with basic grammar and spelling corrections plus tone suggestions
- Support for several languages including Spanish, French, German, Portuguese and Italian
- High price for the Pro plan ($144/year) compared with specialised alternatives
- Limited Spanish support compared with English; more basic functionality
Superhuman
- Genuinely fast: the whole email flow driven by keyboard shortcuts
- Drafts replies that mimic your writing style
- Integrations with HubSpot, Salesforce and Pipedrive
- Expensive for an email client (from $25/user/month)
- No free plan that includes the email client