Kontalk

Plans and prices

Every plan, in full

On the record

Cost

The site says Kontalk will always remain free because it relies on volunteer-run servers.kontalk.org · read 11 Oct 2026

Encryption

The site says client-to-server and server-to-server channels are fully encrypted, and servers cannot decrypt end-to-end encrypted messages.kontalk.org · read 11 Oct 2026

Identity

Kontalk uses a phone number to identify users among their contacts, without requiring user IDs or usernames.kontalk.org · read 11 Oct 2026

Open source

The site says all software used in the network, including both server and client software, is open source.kontalk.org · read 11 Oct 2026

Product

Kontalk is a community-driven instant messaging network designed for smartphones and tablets.kontalk.net · read 11 Oct 2026

Project status

The network site says donations are suspended and the project is in its end-of-life period; it said the service would probably shut down before the end of 2024.kontalk.net · read 11 Oct 2026

Protocol

Kontalk is based on XMPP and the site says this supports interoperability with other services.kontalk.org · read 11 Oct 2026

Registration

The network site says JMP hosts a registration provider for Kontalk.kontalk.net · read 11 Oct 2026

Support

The project links users to a help wiki and a community forum for discussion.github.com · read 11 Oct 2026

Alternatives to Kontalk

O OlvidAndroidiPhone & iPad+4 C CyphAndroidiPhone & iPad+4 SC SimpleX ChatAndroidiPhone & iPad+5 W WhatsAppAndroidiPhone & iPad+4 J JamiAndroidiPhone & iPad+7 W WireAndroidiPhone & iPad+4 T ThreemaAndroidiPhone & iPad+6 S SessionAndroidiPhone & iPad+3

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