LockChat vs Mattermost
| LockChat | Mattermost | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | iOS, Android | Android, iOS, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| End-to-end encryption | default | — |
| File sharing | Yes | — |
| Audit logs | Yes | — |
| Mobile apps | both | — |
| Guest access | — | Yes |
Both are listed in Best Secure Team Chat Software. On Samsung Mobile US Press, Mattermost scores higher on our published basis.