Threema AlternativesInstant Messengers & Encrypted Chat Apps like Threema

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 SimpleX Chat.

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Alternatives list

  1. Signal icon

    Signal

     1363 likes

    An open-source messaging app emphasizing privacy with encrypted communication. Share texts, calls, photos, and videos without ads or trackers, available across major platforms. Developed by Signal Technology Foundation and praised globally for security measures.

    216 Signal alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Flathub
    • Ubuntu
    • Debian
    • Snapcraft
    Signal screenshot 1
     
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    11
    Comments about Signal as an Alternative to Threema
    Guest
    Positive
    3

    Independent and good cryptography.

    Review by a new / low-activity user.
    Threema Icon
    Signal icon

    • Almost everyone thinks Signal is a great Threema alternative.

    • Signal is the most popular Windows, Android, Mac & iPhone alternative to Threema.

    • Signal is the most popular Open Source & free alternative to Threema.

    • Signal is Free and Open SourceThreema is Paid and Open Source
    • Signal is LightweightThreema is not according to our users
  2. Telegram icon

    Telegram

     2079 likes

    Maximize your messaging experience with efficient communication, speedy delivery, and optional end-to-end encrypted Secret Chats. Engage in unlimited channels and groups up to 200,000 members. Enhance chat management and media sharing with Telegram Premium and its exclusive benefits. All core features remain free.

    287 Telegram alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Apple Watch
    • Android Auto
    • Linux Mobile
    • Android Wear
    • PortableApps.com
    • FreeBSD
    • Apple Car Play
    Telegram Desktop
     
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    6
    Comments about Telegram as an Alternative to Threema
    Guest
    Negative
    5

    Cloud data instead of private data

    Review by a new / low-activity user.
    Threema Icon
    Telegram icon

    • Most users think Telegram is a great Threema alternative.

    • Telegram is the most popular Web-based & Android Tablet alternative to Threema.

    • Telegram is Freemium and ProprietaryThreema is Paid and Open Source
    • Telegram is LightweightThreema is not according to our users
  4. Element icon

    Element

     773 likes

    Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.

    302 Element alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Flathub
    • F-Droid
    • Cloudron
    • Snapcraft
    Video calls for desktop and mobile
     

    • Element is the most popular Self-Hosted alternative to Threema.

    • Element is Free Personal and Open SourceThreema is Paid and Open Source
    • Element is LightweightThreema is not according to our users
  5. Ad
    Screenshot
    Zenzap icon
    Zenzap

    Cloud-based platform for business chat, messaging, and task management, delivering structured communication, instant access control, integration with business tools, and business-grade security while supporting flexible workflows...

    https://www.zenzap.co
    Learn More
  6. Tox icon

    Tox

     558 likes

    With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.

    211 Tox alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • F-Droid
    The Universal Tox Client. A Tox client that runs on Android, iOS, Windows, Mac OSX, Linux, FreeBSD & the web. Written in JS using React & React Native / electron.
     
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    6
    Comments about Tox as an Alternative to Threema
    Oscar Sanderson
    Positive
    0

    Tox is peer to peer meaning with no relying on central servers (unlike Threema), is free (unlike Threema) and can be run through Tor (although that isn't by defualt)

    Threema Icon
    Tox icon

    • Most users think Tox is a great Threema alternative.

    • Tox is Free and Open SourceThreema is Paid and Open Source
    • Tox is LightweightThreema is not according to our users
  7. SimpleX Chat icon

    SimpleX Chat

     90 likes

    SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.

    69 SimpleX Chat alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    • Flathub
    • F-Droid
    • Flatpak
    SimpleX Chat screenshot 1
    SimpleX Chat screenshot 2
    SimpleX Chat screenshot 3
     
  8. Slack icon

    Slack

     859 likes

    Offers unified communication for teams with advanced real-time messaging, contextual features, versatile chat tools, and organized conversations in dedicated channels with integrated file sharing on Mac, Windows, Linux, and mobile platforms for enhanced productivity.

    226 Slack alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Electron
    • Software as a Service (SaaS)
    Slack screenshot 1
     

    • Slack is the most popular SaaS alternative to Threema.

    • Slack is Freemium and ProprietaryThreema is Paid and Open Source
  10. WhatsApp icon

    WhatsApp

     849 likes

    Exchange messages without SMS fees using this app for iPhone, Android and desktop, featuring group chats, multimedia sharing, and video calls. The app requires an internet connection and the latest version for optimal functionality.

    251 WhatsApp alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • iPad
    • Apple Watch
    • Android Auto
    • Android Wear
    • Apple Car Play
    WhatsApp screenshot 1
     
  11. Wire icon

    Wire

     313 likes

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

    282 Wire alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Flathub
    • Snapcraft
    Wire screenshot 1
    Wire screenshot 2
    Wire screenshot 3
     
  12. bitchat icon

    bitchat

     43 likes

    Decentralized messaging app enabling secure peer-to-peer communication over Bluetooth mesh networks with end-to-end encryption, channel-based group chats, store & forward delivery, automatic peer discovery, no accounts or phone numbers, and privacy safeguards.

    55 bitchat alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Android
    • iPhone
    • iPad
    bitchat screenshot 1
    bitchat screenshot 2
    bitchat screenshot 3
     
  13. Briar icon

    Briar

     108 likes

    An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.

    76 Briar alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • F-Droid
    Briar screenshot 1
    Briar screenshot 2
    Briar screenshot 3
     
  14. Zulip icon

    Zulip

     265 likes

    Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.

    222 Zulip alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    Zulip screenshot 1
     
12 of 122 Threema alternatives