| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| iOS | Yes | — |
| Android | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Encrypted Messaging Apps | 8.1 (#12) | 7.2 (#34) |
| Encryption | Messages and files are end-to-end encrypted by default, according to the FAQ. | The site says client-to-server and server-to-server channels are fully encrypted, and servers cannot decrypt end-to-end encrypted messages. |
| Identity | The FAQ says registration does not require an email address or phone number. | Kontalk uses a phone number to identify users among their contacts, without requiring user IDs or usernames. |
| Product | Berty is a privacy-first messaging app built on the Wesh Network protocol. | Kontalk is a community-driven instant messaging network designed for smartphones and tablets. |