vs
Superhuman Mail vs Shortwave
Superhuman Mail scores higher overall (8 vs 7.6), but the right pick depends on what you need.
Choose Superhuman Mail if…
Professionals who handle a lot of email every day and will pay for speed
8.0/10★★★★★Full review →Choose Shortwave if…
Gmail and Google Workspace users who want an AI-first inbox
7.6/10★★★★★Full review →Side by side
| Superhuman Mail | Shortwave | |
|---|---|---|
| Overall score | 8/10 | 7.6/10 |
| Rank in category | #2 of 10 | #4 of 10 |
| Price | Paid · from $25/month | Free trial · from $30/month |
| Free version | — | — |
| Platforms | Web, iOS, Android, Mac, Windows | Web, iOS, Android, Desktop app |
| Made by | Superhuman (formerly Grammarly) | Shortwave Communications, Inc. |
| Email help quality | 8.5 | 8 |
| Ease of use | 8 | 7.5 |
| Features | 9 | 8.5 |
| Value for money | 5.5 | 5.5 |
| Platforms | 9.5 | 9 |
Superhuman Mail: what the AI does
- Replies drafted in your writing style
- Thread summaries
- Ask AI questions about your inbox
- Auto labels and split inbox
- Voice-to-email composing
- Very fast, keyboard-first interface
- Strong AI drafting and summaries
- Works with Gmail and Outlook
- Highly rated support
- One of the most expensive options, with no free plan
- Best AI features (Auto Drafts, Ask AI) need the Business plan
- App reviewers note there is no unified inbox for multiple accounts
Shortwave: what the AI does
- AI assistant that searches threads and attachments
- Writing in your own style, with autocomplete
- Plain-English AI filters that label and archive
- Meeting scheduling from your calendar
- Choice of Claude models by plan
- Excellent AI search and summaries
- Assistant can act on mail, not just draft
- Team comments and thread sharing
- Apps on every major platform
- Gmail and Google Workspace accounts only
- No free plan any more, and AI usage is capped by tier
- You have to switch to a new email app