| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Linux | Yes | Yes |
| Plans published | 1 | 0 |
| Spec score · Encrypted Messaging Apps | 8.3 (#5) | 7.3 (#30) |
| Calls | Dino supports audio and video calls, including group calls; its release announcement describes calls as end-to-end encrypted and peer-to-peer where possible. | Audio and video calls were added as experimental support, and the release notes say they were only intended to work on Linux at that time. |
| Development | Dino is developed by an open community, and the site invites bug reports, translations and code contributions. | The project joined KDE and uses KDE’s GitLab instance, KDE Invent, for code hosting and contributions. |
| Encryption | Dino supports end-to-end encryption using OMEMO or OpenPGP; the site says only the user and chat partners can read encrypted messages. | Kaidan supports end-to-end encryption with OMEMO 2 for messages, files, and metadata. |
| End-to-end encryption | The site says chats stay unencrypted only on the user’s computer and that OMEMO or OpenPGP encryption lets only the user and chat partners read them. | Kaidan supports end-to-end encryption via OMEMO 2 and Automatic Trust Management; encryption is enabled by default when a contact supports it. |
| Product | Dino is an open-source desktop chat client for Jabber/XMPP focused on a clean, reliable experience and privacy. | Kaidan is a chat app that uses the open XMPP (Jabber) protocol, so users are not tied to one service provider. |
