FairEmail vs SIEVER Mail
| FairEmail | SIEVER Mail | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android | Windows, macOS, Linux |
| Free plan | Yes | — |
| App coverage | mobile | desktop |
| Unified inbox | Yes | Yes |
| Offline access | Yes | — |
| Scheduled sending | Yes | — |
| Calendar tools | Yes | — |
Both are listed in Best Email Clients. On Samsung Mobile US Press, FairEmail scores higher on our published basis.