| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Encrypted Messaging Apps | 8.1 (#12) | 7.4 (#29) |
| Development status | The FAQ describes the app as under active development and says an early version is available. | The download page warns that clients are alpha software under heavy development, may have usability bugs or security vulnerabilities, and have not had a professional security audit started. |
| Encryption | Messages and files are end-to-end encrypted by default, according to the FAQ. | The FAQ says end-to-end encryption with perfect forward secrecy is the default and only mode for messages. |