K-9 Mail vs Missive
| K-9 Mail | Missive | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $14/mo |
| Open source | No | No |
| Platforms | Android | Web, Windows, macOS, iOS, Android |
| Free plan | Yes | No |
| App coverage | mobile | all |
| Unified inbox | Yes | Yes |
| Offline access | Yes | Yes |
| Scheduled sending | No | Yes |
| Calendar tools | No | Yes |
| Paid from | — | $14/user/mo |
| Account limit | — | 15 accounts |
Both are listed in Best Email Clients. On Samsung Mobile US Press, Missive scores higher on our published basis.