Kaidan vs Signal
| Kaidan | Signal | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux | Android, iOS, Linux, macOS, Windows |
| Free plan | — | Yes |
| Disappearing messages | — | Yes |
Both are listed in Best Secure Messaging Apps. On Freedom251, Signal scores higher on our published basis.