Threema Alternatives

Threema is described as 'New mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages' and is a very popular instant messenger in the security & privacy category. There are more than 100 alternatives to Threema for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Threema alternative is Signal, which is both free and Open Source. Other great apps like Threema are Telegram, Element, Tox and bitchat.

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Alternatives
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Alternatives list

  1. Workchat icon

    Workchat

     Like

    WorkChat streamlines collaboration for businesses. Connect seamlessly with team and clients, integrating WhatsApp, Skype, and Messenger to manage cross-channel messaging.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Dark Theme
    Good alternative?
     
  2. Numbers Station icon

    Numbers Station

     3 likes

    Secure messenger that protects against NSO Group (Pegasus) & Cytrox (Predator) from exploiting your iOS device via "zero-click" exploit chains. These exploits are easily delivered via other messaging apps like iMessage, Signal, WhatsApp, etc. Protection for those at the highest risk.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • iPhone
    • iPad
    • US flagUnited States
    Numbers Station screenshot 1
    Numbers Station screenshot 2
    Numbers Station screenshot 3
    Good alternative?
     
  4. Fluux Messenger icon

    Fluux Messenger

     3 likes

    The modern XMPP client for teams who own their data.

    Cost / License

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • FR flagFrance
    • European Union flagEU
    Chatroom
    Good alternative?
     
  5. Ad
    Screenshot
    Zoho Cliq icon
    Zoho Cliq

    Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communi...

    https://www.zoho.com
    Learn More
  6. MeetVap icon

    MeetVap

     3 likes

    MeetVap is a fully functional messaging and calling platform for iOS, Android, and the web, with private and group chats, voice and video calls, stories, file sharing, privacy controls, and self-hosting support.

    Cost / License

    Platforms

    • iPhone
    • Android
    • Online
    • TR flagTürkiye
    MeetVap screenshot 1
    MeetVap screenshot 2
    MeetVap screenshot 3
    Good alternative?
     
  9. NYNJA icon

    NYNJA

     1 like

    all-in-one Communication and Collaboration Platform. The NYNJA platform combines the benefits of instant chat, video conferencing, screen sharing, file sharing, asset management collaboration, and much more, in one fast, easy and reliable platform.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • US flagUnited States
    Screen Sharing
    Good alternative?
     
  10. Radar (Signal client) icon

    Radar (Signal client)

     2 likes

    Radar is a private messenger with built-in Bitcoin payments over the Lightning Network. It is a fork of Signal and keeps Signal's end-to-end encryption. Radar is an independent project and is not affiliated with or endorsed by Signal Messenger, LLC.

    Cost / License

    Platforms

    • Android
    • iPhone
    • US flagUnited States
    Radar (Signal client) screenshot 1
    Good alternative?
     
  11. chat.onion icon

    chat.onion

     Like

    Anonymous and fully encrypted peer-to-peer instant messenger for Android using onion routing (via Tor)!

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Android
    chat.onion screenshot 1
    chat.onion screenshot 2
    Good alternative?
     
  12. KeeperChat icon

    KeeperChat

     2 likes

    KeeperChat - The leading secure messaging app.

    • Private vault for messages, photos and videos • Private, encrypted media gallery (nothing is saved on device’s camera roll) • Biometric login and self-destruct protection for vault • Message retraction and self-destruct timer • Tw.

    100 KeeperChat alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • US flagUnited States
    KeeperChat screenshot 1
    KeeperChat screenshot 2
    KeeperChat screenshot 3
    Good alternative?
     
  13. Smoke Crypto Messenger icon

    Smoke Crypto Messenger

     1 like

    Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    Smoke 1:1 Window Chat
    Smoke Login-Screen
    Smoke asymetric Group-Chat
    Good alternative?
     
  15. MyENIGMA icon

    MyENIGMA

     4 likes

    The one and only secure messaging app Protect your privacy!

    SECURE MULTIMEDIA MESSAGING

    • Send chat messages, videos, pictures, audio and more to friends and colleagues
    • Seamless support for secure SMS when no data connection is available or while roaming
    • myENIGMA contacts ar.

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Android
    • iPhone
    • Blackberry
    • CH flagSwitzerland
    Chat
    Contacts
    Groups
    Good alternative?
     
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