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Last updated on: 2025-06-13
Android Apps > Communication > Threema. The Secure Messenger
Threema. The Secure Messenger icon

Threema. The Secure Messenger

6.0.1
Threema GmbH
4.12
71,381 reviews
5,000,000+
Downloads
$6.99

Threema is the messenger with the most consistent focus on security and privacy.

Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Threema. The Secure Messenger Screenshot
Google Play
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About Threema. The Secure Messenger

Threema. The Secure Messenger is a communication app developed by Threema GmbH. The APK has been available since May 2013. In the last 30 days, the app was downloaded about 35 thousand times.
It's top ranked.
It's rated 4.12 out of 5 stars, based on 71 thousand ratings. The last update of the app was on May 13, 2025. Threema. The Secure Messenger has a content rating "Everyone".
Threema. The Secure Messenger has an APK download size of 42.06 MB and the latest version available is 6.0.1. Designed for Android version 4.4+. Threema. The Secure Messenger costs $6.99 to download.
Description
Threema is the world’s best-selling secure messenger and keeps your data out of the hands of hackers, corporations, and governments. The service can be used completely anonymously.
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More data about Threema. The Secure Messenger

Price $6.99
Total downloads 5.6 million
Recent downloads 35 thousand
Rating 4.12 based on 71 thousand ratings
Ranking Top ranked
Version 6.0.1
APK size 42.1 MB
Number of libraries 26
Designed for Android 4.4+
Suitable for Everyone
Ads NO ads

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Threema. The Secure Messenger compared with similar apps

Keywords that only this app has

Threema Source Desktop Servers Contact Feature Stored Code User Fixed Completely Anonymously Instant Make Web Client Anonymity Personal Information Including Conduct Switzerland Audits Bug

Common keywords of similar apps

Messages Messenger Open App Voice Group Privacy Data Encrypted Video Calls Encryption Secure Security Device Files Phone Devices Private Send File

Keywords missing from this app

Chat Messaging Text Communication Anonymous Free Features Https Recent Sharing Message Support Session Texts Element Glacier Network Friends Business Number Server Access Subscription Experience Team Bchat Ai Get2clouds

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Google Play Rating history and histogram

47K
6.4K
5K
5K
7.8K

Downloads over time

Threema. The Secure Messenger has been downloaded 5.6 million times. Over the past 30 days, it averaged 1.2 thousand downloads per day.

Changelog

Show changelog

Developer information for Threema GmbH

Threema GmbH

support@threema.ch

Website

Churerstrasse 82
8808 Pfäffikon SZ
Switzerland

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Comments on Threema. The Secure Messenger for Android

★★★★★ Secure & Private, it has good features, over all a good messenger, with a solid & strong security features. Please don't expect a WhatsApp out of it, much better that WhatsApp in many ways.
★★★★★ Great App that truly respects your privacy. I've deleted my WhatsApp account, even if Threema isn't that popular. I just want them to succeed
★★★★★ I switched from WhatsApp to Threema, and I am not disappointed. This app does everything I could do on WhatsApp but with better connectivity and more responsive messaging without the delays in messages that sometimes occurred with WhatsApp .10 out of 10. Highly recommend for anyone who needs an encrypted messenger that actually functions like it's supposed to all the time. Best purchase I've ever made on Google Play. Also love that you don't have to worry about Meta spying. Kudos to the Devs, great job!
★★☆☆☆ Since the Sept 2024 update the app crashes more and more while writing a text (and yes. Text is then lost!) And suddenly switches to the overview page. It used to be very reliable/stable, but has got to a point where we are considering using another chat app. I really hope the developers are fixing this before we are forced to move elsewhere...
★★☆☆☆ Mobile app is subpar in usability and other features. No edit of messages, very limited file sharing, and a really UNUSABLE desktop app.
★★☆☆☆ Message backup/restore is buggy, unreliable, and on many phones just flat-out does not work at all ("Invalid backup" on restore). If you use this app you *will* at some point lose all your messages because of this. Use Signal instead which has an explicit migration story
★★☆☆☆ I thought I had finally found my secure communicator, but I am not able to make calls from it. Every time I call, I turn on the video call by touching the phone to my head. Why isn't the option to enable Video call at the bottom of the screen, but at the top???? I am not able to make a call in a public place because I keep switching to a video call with a speaker. If it wasn't for this big flaw, I'd give 5 stars

Google Play Rankings

Top rankings

Rank Country Category List
1 Australia Overall Top Paid
1 Switzerland Overall Top Paid
2 Germany Overall Top Paid
2 Austria Overall Top Paid
2 Czech Republic Overall Top Paid
1 Australia Applications Top Paid
1 Switzerland Applications Top Paid
2 Germany Applications Top Paid
6 Canada Overall Top Paid
3 Canada Applications Top Paid
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Ranking history in Australia

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Technologies used by Threema. The Secure Messenger

Threema. The Secure Messenger is requesting 45 permissions and is using 32 libraries.
Show details
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