MailStack vs Sharebox
| MailStack | Sharebox | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $79/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Web |
| Mail platforms | standalone | gmail |
| Free plan | — | Yes |
| Mobile apps | — | No |
Both are listed in Best Shared Inbox Software. On Freedom251, MailStack scores higher on our published basis.