MailStack vs Sortd
| MailStack | Sortd | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | $10/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Android, api, extension, iOS, Web |
| Mail platforms | standalone | gmail |
| Free plan | — | No |
| Paid from | — | 10 /user/mo |
| Shared mailboxes | — | 2 |
| Internal comments | — | Yes |
| Collision detection | — | Yes |
| Assignment automation | — | Yes |
| Mobile apps | — | Yes |
Both are listed in Best Shared Inbox Software. On Samsung Mobile US Press, Sortd scores higher on our published basis.