Phone

Threema. The Secure Messenger

Communication • Threema GmbH • ⭐ 4.00 • 5,000,000+

Version 6.3.2 Everyone

Screenshots

Threema. The Secure Messenger screenshot

Permissions Explained 26 permissions requested View details

This app requests 26 permissions. The table below explains what each permission may allow and what users should review before installing.

Status	Permission	What it means	Why it may be used	User safety note
ℹ️ Review	Find Accounts On The Device find accounts on the device	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Add Or Remove Accounts add or remove accounts	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Read Your Contacts read your contacts	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Modify Your Contacts modify your contacts	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Approximate Location (network Based) approximate location (network-based)	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Precise Location (gps And Network Based) precise location (GPS and network-based)	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Directly Call Phone Numbers directly call phone numbers	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Read Phone Status And Identity read phone status and identity	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Read The Contents Of Your Usb Storage read the contents of your USB storage	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Modify Or Delete The Contents Of Your Usb Storage modify or delete the contents of your USB storage	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Take Pictures And Videos take pictures and videos	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Record Audio record audio	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	View Wi Fi Connections view Wi-Fi connections	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	View Network Connections view network connections	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Create Accounts And Set Passwords create accounts and set passwords	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Pair With Bluetooth Devices pair with Bluetooth devices	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Full Network Access full network access	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Change Your Audio Settings change your audio settings	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Read Sync Settings read sync settings	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Run At Startup run at startup	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Control Vibration control vibration	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Prevent Device From Sleeping prevent device from sleeping	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Toggle Sync On And Off toggle sync on and off	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Install Shortcuts install shortcuts	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Google Play License Check Google Play license check	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Receive Data From Internet receive data from Internet	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.

About Threema. The Secure Messenger

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!

What Threema. The Secure Messenger Is Used For

Threema. The Secure Messenger appears to be a private communication app for people who want to exchange messages and calls on Android with more emphasis on confidentiality and contact control. Based on the metadata, it is commonly used for text and voice messaging, encrypted voice and video calls, group chats, and sharing files or location data. The app also uses a Threema ID instead of requiring a phone number or email address, which may appeal to users who want a less identity-linked messaging setup.

The permission list suggests the app may need access to contacts, microphone, camera, storage, location, and network features to support messaging, calls, file sharing, and optional location sharing. It also includes account and sync-related permissions, which can fit messaging apps that maintain contacts, notifications, and cross-device use. The metadata mentions a desktop app and web client, so it may also be used alongside a PC for continued chatting beyond the phone.

In practice, this app is likely chosen for personal or professional conversations where encrypted messaging, group coordination, and contact verification are important. It seems suited to users who prefer a communication app that can handle chats, media, files, and calls without relying on a phone number as the main identifier.

Common uses

Send text and voice messages
Make encrypted voice, video, and group calls
Share files such as PDFs, images, audio, and archives
Share location with contacts when needed
Create groups and polls for coordination
Verify contacts by scanning QR codes
Use the app on a phone, with desktop and web access mentioned

Best for:

privacy-focused messaging encrypted calls group chats phone app cross-device chat

Related tags

App Details

Package:
ch.threema.app

Category:
Communication

Developer:
Threema GmbH

Version:
6.3.2

Updated:
Mar 26, 2026

Min Android:
7.0

Age Rating:
Everyone

Contains Ads:
No

In-App Purchases:
No

Official Listing

Official listing available on Google Play
Package name: ch.threema.app
Age rating: Everyone

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How to Download Threema. The Secure Messenger

If this app is not hosted directly on APKApps official link, then for the safest and most up-to-date version, install it from its official Google Play listing.