Threema. The Secure Messenger

Secure. Anonymous. Private.

USD 7.99

Threema is the world’s best-selling secure messenger, used by more than 12 million people in over 175 countries, developed in Switzerland, and designed with privacy and data protection in mind. Whether chats, calls, or files, everything is end-to-end encrypted, and no data trail is left behind. Instead of a phone number or email address, a randomly generated Threema ID serves as a unique identifier – anonymous and secure. Threema protects what really matters: your privacy. Advantages of Threema: • Text and voice messages, including emoji reactions • End-to-end encrypted voice, video, and group calls • Location sharing • Sending files in all formats (PDF, GIF, MP3, ZIP, and more) • Ability to edit sent messages and delete them for chat partners • Desktop app and web client for convenient chatting on your PC • Group creation and polls • Light or dark mode • No ads, no trackers, no data collection • Identity verification of contacts by scanning their QR code Reliable security: • Open source and regular audits • Servers in Switzerland • Anonymous use possible: no phone number or email address required • Messages are deleted from the server immediately after delivery Do you have any questions or problems? Our FAQ can help: https://threema.com/support Enjoy using Threema!

Ratings & Reviews

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Threema 7.0.7 • Fixed various bugs that could occur when connecting to Threema Web Threema 7.0.6 • Various bug fixes and general improvements Threema 7.0.5 • Various improvements related to restoring a Threema Safe backup • Various bug fixes and general improvements Threema 7.0.4 • Fixed a bug that caused messages to be sent late when switching networks • Fixed various bugs related to restoring a Threema Safe backup • Various bug fixes and general improvements Threema 7.0.2 • Various bug fixes Threema 7.0.1 • More reliable Threema calls • Various bug fixes and general improvements Threema 7.0 • This version supports iOS 17 and newer • New: Recommend Threema Work and earn a referral bonus! • A more modern look with redesigned screens for • Adding contacts • Creating groups • Starting a new chat • Creating and viewing polls • Previewing file messages and full-screen images • Selecting a document or contact • Scanning QR codes • Editing your profile • Linking a phone number or email address • Setting a revocation password • ID export • Various under-the-hood changes • Various bug fixes and general improvements

Version 7.0.7

The developer, Threema GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • VoiceOver

    • Voice Control

    • Larger Text

    • Dark Interface

    • Sufficient Contrast

    • Reduced Motion

    • Audio Descriptions

Information

Provider
  • Threema GmbH
Size
  • 108.4 MB
Category
  • Social Networking
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
Languages
English and 20 more
  • English, Bulgarian, Czech, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Swiss German, Traditional Chinese, Turkish, Ukrainian
Age Rating
4+
Copyright
  • © 2012-2026 Threema GmbH
  • Developer Website
  • Privacy Policy

    • Supports

    • Wallet

      The simplest way to get all your passes in one place.

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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