simplex-chat
About simplex-chat
SimpleX Chat is a messaging platform designed with privacy as its core principle. It operates without user identifiers, ensuring complete anonymity and security for its users. The platform supports mobile apps for Android and iOS, as well as a terminal application for Linux, MacOS, and Windows.
SimpleX Chat employs double ratchet end-to-end encryption with an additional encryption layer to protect messages and metadata. This ensures that not only the content of the messages but also the identities of the participants and the timing of the conversations remain private.
The platform allows users to connect privately by sharing links or scanning QR codes, making it easy to establish secure communication channels. It also supports user groups and communities, which can be discovered through the SimpleX Directory.
Key features
- Protects messages and metadata with double ratchet end-to-end encryption
- Mobile apps available for Android and iOS
- Terminal application for Linux, MacOS, and Windows
- Supports private connections via links or QR codes
- User groups and communities discoverable through SimpleX Directory
Download v6.5.6
Jul 7, 2026WindowsWindows
macOSmacOS
LinuxLinux
Frequently asked questions
- Is simplex-chat free?
- Yes. simplex-chat is free and open-source software, distributed under the AGPL-3.0 license.
- Which platforms does simplex-chat support?
- simplex-chat provides downloads for Windows, macOS, Linux, Android.
- What is the latest version of simplex-chat?
- The latest version is v6.5.6, released on Jun 22, 2026.
- What is SimpleX Chat?
- SimpleX Chat is a messaging platform that operates without user identifiers, ensuring complete privacy and security for its users.
- How can I install SimpleX Chat?
- SimpleX Chat can be installed via mobile apps for Android and iOS, or as a terminal application for Linux, MacOS, and Windows.
- What platforms are supported by SimpleX Chat?
- SimpleX Chat supports Android, iOS, Linux, MacOS, and Windows platforms.
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