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