Siskin IM vs Speek!
| Siskin IM | Speek! | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | iOS, macOS | Android, Linux, macOS, Windows |
| Free plan | Yes | |
| Encryption coverage | mixed | default |
| Desktop app | Yes | Yes |
| Voice and video calls | Yes |
Listed together in Best Encrypted Messaging Apps