Superhuman Mail vs Unibox
| Superhuman Mail | Unibox | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | $2.08/mo | — |
| Open source | No | No |
| Platforms | Web, Windows, macOS, iOS, Android | macOS, iOS |
| Free plan | No | — |
| App coverage | all | — |
| Unified inbox | No | Yes |
| Offline access | Yes | — |
| Scheduled sending | Yes | — |
| Calendar tools | Yes | — |
Both are listed in Best Email Clients. On Samsung Mobile US Press, Superhuman Mail scores higher on our published basis.