Dev tools · alternatives · 2026

24 alternatives to ChatSecure iOS v4.0 – OMEMO and Signal Protocol

Free and open source encrypted chat for iOS.

ChatSecure is a free and open source encrypted messaging app for iOS that uses OMEMO encryption and Signal Protocol technology. It is designed for users who want secure communications on mobile devices. Version 4.0… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ChatSecure iOS v4.0 – OMEMO and Signal Protocol launched in 2017; newer entries below may have overtaken it.

1. 1
   ChatGPT for iOS▲413

   The official iOS app for ChatGPT

   2023 · apps.apple.com · its alternatives →

2. 2
   XChat▲175

   The standalone, encrypted messaging app from X

   Apr 2026 · apps.apple.com · its alternatives →

3. 3
   Open-Source Alternative to Intercom, Drift, Zendesk, FreshChat▲417

   Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬 - chatwoot/chatwoot

   2019 · github.com · its alternatives →

4. 4
   Brie.fi/ng▲93

   Secure group video chat

   2020 · brie.fi · its alternatives →

5. 5
   StealthChat - Private Messaging▲66

   Encrypted calls and chats

   2017 · its alternatives →

6. 6
   Rolo Secure Chat▲92

   Secure chat app built with BlackBerry end-to-end encryption

   2021 · rolo.chat · its alternatives →

7. 7
   safer.chat▲61

   Group end-to-end encrypted chat that respects your privacy

   2019 · safer.chat · its alternatives →

8. 8
   Cryptocat▲61

   In-browser encrypted chat (open source)

   2014 · its alternatives →

9. 9
   Xifrem Chat▲69

   Client-side encrypted chat with asymmetric encryption

   2019 · its alternatives →

10. 10
    Keychat▲108

    Start a free secure chat with anyone without signing up

    2020 · its alternatives →

11. 11
    ADAMANT Messenger▲79

    Decentralized anonymous blockchain messenger. Crypto In-Chat

    2020 · adamant.im · its alternatives →

12. 12
    Encryptochat▲68

    True end-to-end encrypted messaging.

    2020 · play.google.com · its alternatives →

13. 13
    Serverless, encrypted, opensource, p2p video and text chat▲9

    A secure chatting application.

    2016 · adam-hanna.github.io · its alternatives →

14. 14
    Signal▲106

    Free, worldwide, encrypted phone calls for iPhone

    2014 · apps.apple.com · its alternatives →

15. 15
    Disposable▲126

    A real-time, e2e encrypted ephemeral communication tool

    2023 · its alternatives →

16. 16
    Virgil Security▲74

    Build privacy-first apps on Firebase

    2018 · virgilsecurity.com · its alternatives →

17. 17
    Open Source alternative to services like Intercom.io and Smooch▲163

    Client library for Minimal Chat. Contribute to minimalchat/client development by creating an account on GitHub.

    2017 · github.com · its alternatives →

18. 18
    Phantom Chat Beta▲10

    Every technical claim on veilusdigital.co mapped to the Swift source file that implements it. Verified, fact-checkable, honest about what is and isn

    Jun 2026 · veilusdigital.co · its alternatives →

19. 19
    Darkwire.io▲70

    Instant encrypted web chat

    2017 · its alternatives →

20. 20
    Zendo▲82

    Secure Mobile Messenger using OTP Encryption (iOS/Android)

    2015 · apps.apple.com · its alternatives →

21. 21
    04-x▲91

    End-to-end encrypted chat UI for LLMs

    2023 · 04-x.com · its alternatives →

22. 22
    Push Chat▲113

    Your decentralized, uncensorable & web3-native chat solution

    2023 · app.push.org · its alternatives →

23. 23
    Stealthy: Secret Messenger▲87

    Chat anonymously with friends & strangers

    2015 · antiland.com · its alternatives →

24. 24
    Cipher▲70

    Send secret, encrypted iMessages

    2016 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →