MailFlow vs Mailspring
| MailFlow | Mailspring | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | $500/mo | — |
| Open source | No | No |
| Platforms | Web | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| App coverage | web | desktop |
| Unified inbox | Yes | Yes |
| Offline access | No | Yes |
| Scheduled sending | No | Yes |
| Calendar tools | No | No |
Both are listed in Best Email Clients. On Inferse, Mailspring scores higher on our published basis.