Horde IMP vs Polymail
| Horde IMP | Polymail | |
|---|---|---|
| Free plan | No | |
| Paid from | $10/mo | |
| Platforms | Web | Web, Windows, macOS, iOS |
| Free plan | Yes | No |
| App coverage | web | all |
| Calendar tools | Yes | Yes |
| Paid from | $10/user/mo | |
| Account limit | 2 accounts | |
| Unified inbox | Yes | |
| Scheduled sending | Yes |
Listed together in Best Email Clients