Airmail vs Spike
| Airmail | Spike | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $2.50/mo | $4/mo |
| Open source | No | No |
| Platforms | iOS, macOS | Android, iOS, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Account limit | 1 accounts | 3 accounts |
| Unified inbox | Yes | Yes |
| Offline access | Yes | — |
| Scheduled sending | Yes | Yes |
| Calendar tools | Yes | Yes |
| Paid from | — | $4/user/mo |
| App coverage | — | all |
Both are listed in Best Email Clients. On Inferse, Spike scores higher on our published basis.