Claws Mail vs Twobird
| Claws Mail | Twobird | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | Windows, Linux, macOS | Web, Windows, macOS, iOS, Android |
| Free plan | Yes | Yes |
| App coverage | all | all |
| Offline access | Yes | |
| Scheduled sending | No | |
| Calendar tools | Yes | Yes |
| Unified inbox | Yes |
Listed together in Best Email Clients