Threema. The Secure Messenger
7.8 6K+
v6.4.3 by Threema GmbH
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$7.49
$8.25
-10%
Editor's Review
Threema is a new mobile messaging app that puts security first.About Threema. The Secure Messenger
Threema. The Secure Messenger (Package Name: ch.threema.app) is developed by Threema GmbH and the latest version of Threema. The Secure Messenger 6.4.3 was updated on June 5, 2026. Threema. The Secure Messenger is in the category of Communication with the feature Multiple languages and Group chat, etc. You can check all apps from the developer of Threema. The Secure Messenger and find 200 alternative apps to Threema. The Secure Messenger on Android. Threema. The Secure Messenger is listed in 10 Best Secret Messaging Apps For a Secure Private Chat. The current price of this app is $7.49. Threema. The Secure Messenger is on sale with 10% off. This app can be downloaded on Android 7.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
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!
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!
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!
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!
Read More
Threema. The Secure Messenger Features
Related Articles More
Previous Versions More
Threema. The Secure Messenger
6.2.0
APK
October 18, 2025
41.58 MB
Requires Android: Android 7.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 4db729691a5e73334cc9660948232d4e54451c0f
Size: 41.58 MB
Threema. The Secure Messenger
6.1.3
APK
September 11, 2025
40.98 MB
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: ecee1f22b8cccd65092b729ff98cb28685d53ae2
Size: 40.98 MB
Threema. The Secure Messenger
6.1.2
APK
August 18, 2025
40.98 MB
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 5d55a1a2db953e1f929efad2ecf133ff82e118cf
Size: 40.98 MB
Threema. The Secure Messenger
6.1.1
APK
July 14, 2025
40.96 MB
Variant
Arch
Version
DPI
More Information
Package Name:
Category:
Update Date:
2026-06-05
Latest Version:
6.4.3
Need Update:
Available on:
Requirements:
Android 7.0+
Report:
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