Threema AlternativesInstant Messengers & Video Calling 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 social & communications category. There are more than 100 alternatives to Threema for a variety of platforms, including Android, iPhone, Windows, Linux and Mac apps. The best Threema alternative is Signal, which is both free and Open Source. Other great apps like Threema are Telegram, Element, Tox and WhatsApp.

Threema iconThreema
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Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that...

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Threema alternatives page was last updated Apr 16, 2025
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  1. Signal icon

    Signal

     1275 likes
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    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.

    219 Signal alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Flathub
    • Ubuntu
    • Debian
    Signal screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused
    3.  Lightweight

    Features

    1.  End-to-End Encryption
    2.  Encrypted Chat
    3.  Ad-free
    4.  Video Calling
    5.  Self Destructing Messages
    6.  Private messaging
    7.  No Tracking
    8.  Encrypted Connection
    9.  Mobile friendly
    10.  Dark Mode
    11.  Desktop Application
    12.  Secure Chat

    Signal VS Threema

     
    Comments about Signal as an Alternative to Threema
    Guest
    Positive •Apr 11, 2017
    3

    Independent and good cryptography.

    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 Privacy focused and Security-focusedThreema is not according to our users
  2. Telegram icon

    Telegram

     2049 likes
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    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.

    295 Telegram alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • International

    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

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Security-focused

    Features

    1.  Encrypted Chat
    2.  Stickers
    3.  Chat Bot
    4.  Large File Transfer
    5.  Ad-free
    6.  End-to-End Encryption
    7.  Video Calling
    8.  Multi Device Support
    9.  Channels
    10.  Dark Mode
    11.  Bots
    12.  Secret chats

    Telegram VS Threema

     
    Comments about Telegram as an Alternative to Threema
    Guest
    Negative •Oct 31, 2016
    5

    Cloud data instead of private data

    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 Lightweight and Privacy focusedThreema is not according to our users
  4. Element icon

    Element

     717 likes
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    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.

    301 Element alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

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

    Properties

    1.  Privacy focused
    2.  Clean design

    Features

    1.  End-to-End Encryption
    2.  Decentralized
    3.  Federated
    4.  Team Collaboration
    5.  Encrypted Chat
    6.  Video Calling
    7.  Matrix Protocol
    8.  Voice Chat
    9.  Direct Messaging
    10.  Federation
    11.  Cloud Hosting
    12.  Cross-Platform

    Element VS Threema

     

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

    • Element is Freemium and Open SourceThreema is Paid and Open Source
    • Element is Decentralized and Privacy focusedThreema is not according to our users
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    Zoho Cliq

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  6. Tox icon

    Tox

     550 likes
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    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.

    214 Tox alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    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.

    Properties

    1.  Privacy focused
    2.  Security-focused
    3.  Lightweight

    Features

    1.  Encrypted Chat
    2.  Decentralized
    3.  Peer-To-Peer
    4.  End-to-End Encryption
    5.  Multiplatform
    6.  No registration required
    7.  Screen Sharing
    8.  No Tracking
    9.  AES-256 Encryption
    10.  P2P Network
    11.  Client side encryption
    12.  Dark Mode

    Tox VS Threema

     
    Comments about Tox as an Alternative to Threema
    Oscar Sanderson
    Positive •Jul 22, 2021
    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 Decentralized, Privacy focused, Security-focused and LightweightThreema is not according to our users
  7. WhatsApp icon

    WhatsApp

     843 likes
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    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

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Wear
    • Android Auto
    • Apple Car Play
    WhatsApp screenshot 1
    WhatsApp screenshot 2
    WhatsApp screenshot 3

    Top WhatsApp Features

    1.  Mobile friendly
    2.  End-to-End Encryption
    3.  Dark Mode
    4.  Custom Backgrounds
    5.  Ad-free
    6.  Two-factor Authentication
    7.  Screen Sharing
    8.  VoiP Calls
    9.  Picture in Picture
    10.  Passkey Support
    11.  Support for @mentions
    12.  Expiring Stories

    WhatsApp VS Threema

     
  8. Slack icon

    Slack

     853 likes
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    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.

    219 Slack alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

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

    Top Slack Features

    1.  Team Collaboration
    2.  Multi Channel
    3.  Extensible by Plugins/Extensions
    4.  Support for @mentions
    5.  Channels
    6.  Threaded Conversations
    7.  Ad-free
    8.  HIPAA Compliant
    9.  Reactions
    10.  Real time collaboration
    11. IFTTT icon  IFTTT Integration
    12.  VoiP Calls

    Slack VS Threema

     

    • Slack is the most popular SaaS alternative to Threema.

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

    SimpleX Chat

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

    59 SimpleX Chat alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

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

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Encrypted Chat
    2.  End-to-End Encryption
    3.  Decentralized
    4.  Ad-free
    5.  No registration required
    6.  Multiple Account support
    7.  Self Destructing Messages
    8.  Video Calling
    9.  Dark Mode
    10.  Voice messages
    11.  VoiP Calls
    12.  No Tracking

    SimpleX Chat VS Threema

     
  11. Wire icon

    Wire

     307 likes
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    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.

    279 Wire alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

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

    Properties

    1.  Security-focused
    2.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Video Calling
    3.  Encrypted Chat
    4.  VoiP Calls
    5.  Encrypted calls
    6.  Screen Sharing
    7.  Multiple Account support
    8.  WebRTC
    9.  Secure File Sharing
    10.  Voice Chat
    11.  Voice messages

    Wire VS Threema

     
  12. Briar icon

    Briar

     94 likes
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    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.

    74 Briar alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • F-Droid
    Briar screenshot 1
    Briar screenshot 2
    Briar screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Decentralized
    2.  Works Offline
    3.  Bluetooth Support
    4.  End-to-End Encryption
    5.  Mesh network
    6. Tor icon  Support for TOR
    7.  No registration required
    8.  Self Destructing Messages
    9.  Peer-To-Peer
    10.  Ad-free
    11.  Dark Mode
    12.  No Tracking

    Briar VS Threema

     
  13. Element X icon

    Element X

     26 likes
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    It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.

    95 Element X alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Element X screenshot 1
    Element X screenshot 2
    Element X screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  VoiP Calls
    2.  Ad-free
    3.  Matrix Protocol
    4.  Decentralized
    5.  End-to-End Encryption
    6.  No Tracking
    7.  Dark Mode
    8.  Voice Chat

    Element X VS Threema

     
  14. Molly icon

    Molly

     35 likes
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    Molly is an independent Signal fork for Android.

    188 Molly alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • F-Droid

    Properties

    1.  Privacy focused

    Features

    1.  Secure Chat
    2.  Encrypted Chat
    3.  End-to-End Encryption
    4.  No Tracking
    5.  Text messaging
    6.  Monero exchange
    7.  Dark Mode
    8.  Ad-free
    9.  Cloud Sync
    10.  SOCKS proxy client and server

    Molly VS Threema

     
  15. Zulip icon

    Zulip

     206 likes
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    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.

    226 Zulip alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    Zulip screenshot 1

    Top Zulip Features

    1.  Threaded Conversations
    2.  Team Collaboration
    3.  Support for Hotkeys
    4.  Community-based
    5.  Support for MarkDown
    6.  Syntax Highlighting
    7.  Chat Bot
    8.  Secure Chat
    9.  Third party integrations
    10.  Integrated File Sharing
    11. GitHub icon  GitHub Integration
    12.  Integrated Search

    Zulip VS Threema

     
12 of 123 Threema alternatives