Latest news

SimpleX Chat v5.2 released: message delivery receipts

22 Jul 2023

v5.2 is released:

  • message delivery receipts! ✅
  • filter favorite and unread chats
  • better disappearing messages
  • prohibit message reactions
  • more usable groups:

    • view full original replied message in info.
    • share your address via your chat profile
    • search new and existing members
  • stability improvements:

    • keep your connections working after restoring from backup.
    • restart app (Android) or reconnect servers (iOS)
    • more stable connections and message delivery

Platform evolution:

  • problems of public groups and their future
  • what about read receipts?
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SimpleX Chat v5.1 released: message reactions and self-destruct passcode

23 May 2023

v5.1 is released:

  • message reactions 🚀
  • improved messages:

    • voice messages up to 5 minutes
    • custom time to disappear
    • message editing history
  • new design and customizable themes you can share*!
  • self-destruct passcode

Also, the app interface is now available in Japanese and Portuguese (Brazil)* - thanks to our users!

* Android app only.

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SimpleX Chat: vision and funding, v5.0 released with videos and files up to 1gb

22 Apr 2023

SimpleX Chat vision and funding:

  • why is it a commercial company?
  • how is it funded and what is the business model?
  • what is next?

v5.0 is released:

  • send videos and files up to 1gb
  • app passcode independent from system authentication
  • networking improvements

Also, the app interface is now available in Polish - thanks to our users.

SimpleX Chat apps are now available in 10 languages!

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SimpleX Chat reviews and v4.3 released – with instant voice messages, irreversible deletion of sent messages and improved server configuration.

06 Dec 2022

SimpleX Chat November reviews:

Privacy Guides recommendations.

Review by Mike Kuketz.

The messenger matrix.

Supernova review and messenger ratings.

v4.3 is released:

  • instant voice messages!
  • irreversible deletion of sent messages for all recipients
  • improved SMP server configuration and support for server passwords
  • privacy and security improvements: protect app screen, SimpleX links security, etc.
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Security assessment by Trail of Bits, the new website and v4.2 released

08 Nov 2022

"Have you been audited or should we just ignore you?"

SimpleX Chat security has been assessed by Trail of Bits, 4 issues were identified, and 3 of them are fixed in v4.2.

The new website is live:

v4.2 is released:

  • group links — admins can create the links for new members to join
  • auto-accept contact requests + configure whether to accept incognito and welcome message
  • small things: change group member role, mark chat as unread, send stickers and GIFs from Android keyboards.
  • manually switch contact or member to another address / server (BETA)
  • receive files faster (BETA)
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SimpleX Chat v4.0 with encrypted database is released

28 Sep 2022


  • encrypted local chat database — if you already use the app, you can encrypt the database in the app settings
  • support for self-hosted WebRTC ICE servers
  • improved stability of creating new connections: more reliable groups, files and contacts
  • deleting files and media — for security and to save storage
  • For developers — TypeScript SDK for integrating with SimpleX Chat
  • support animated images in Android app
  • German language in mobile apps UI
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Simplex Chat

22 Oct 2020

The prototype of SimpleX Messaging Server implementing SMP protocol.

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