Airmail vs Mozilla Thunderbird
| Airmail | Mozilla Thunderbird | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $2.50/mo | Free |
| Open source | No | Yes |
| Platforms | iOS, macOS | Android, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Account limit | 1 accounts | — |
| Unified inbox | Yes | Yes |
| Offline access | Yes | Yes |
| Scheduled sending | Yes | Yes |
| Calendar tools | Yes | Yes |
| App coverage | — | Email, calendar, contacts, and tasks |
Both are listed in Best Email Clients. On Samsung Mobile US Press, Airmail scores higher on our published basis.