Mailbutler Smart Assistant vs SIEVER Mail
| Mailbutler Smart Assistant | SIEVER Mail | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | $7/mo | — |
| Open source | No | No |
| Platforms | Android, extension, iOS, Linux, macOS, Web, Windows | Windows, macOS, Linux |
| Free plan | Yes | — |
| Paid from | $4/user/mo | — |
| App coverage | — | desktop |
| Unified inbox | — | Yes |
Both are listed in Best Email Clients. On Inferse, Mailbutler Smart Assistant scores higher on our published basis.