Threema. The Secure Messenger
Secure. Anonymous. Private.
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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. Threema is open source and offers every feature one would expect from a state-of-the-art instant messenger. The app also allows to make end-to-end encrypted voice, video and group calls. Using the desktop app and the web client, you can also use Threema from your desktop.

PRIVACY AND ANONYMITY
Threema is designed from the ground up to generate as little data on servers as possible. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. All this effectively prevents the collection and misuse of your personal information, including metadata. Threema is fully compliant with the European privacy legislation (GDPR).

ROCK-SOLID ENCRYPTION
Threema end-to-end encrypts all your communication, including messages, voice and video calls, group chats, files, and even status messages. Only the intended recipient, and nobody else, can read your messages. Threema uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on the users’ devices to prevent backdoor access or copies.

COMPREHENSIVE FEATURES
Threema is not only an encrypted and private messenger but also versatile and feature-rich.

• Write text and send voice messages
• Make voice, video and group calls
• Share videos, pictures and locations
• Send any type of file (pdf, animated gif, mp3, doc, zip, etc.)
• Use the desktop app or the web client to chat from your computer
• Create groups
• Conduct polls with the poll feature
• Choose between a dark and a light theme
• Quickly and silently reply with the unique agree/disagree feature
• Verify the identity of a contact by scanning their personal QR code
• Use Threema as anonymous instant messaging tool
• Synchronize your contacts (optional)

SERVERS IN SWITZERLAND
All our servers are located in Switzerland, and we develop our software in-house.

FULL ANONYMITY
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.

OPEN SOURCE AND AUDITS
The source code of the Threema app is open for everyone to review. On top of that, renowned experts are regularly commissioned to conduct systematic security audits of Threema’s code.

NO ADS, NO TRACKERS
Threema is not financed by advertising and does not collect user data.

SUPPORT / CONTACT
For questions or problems please consult our FAQs: https://threema.ch/en/faq
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User Rating

4.62 out of 5

29 ratings in Romania

5 star
22
4 star
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Ratings History

Reviews

Beat APP

nanemil on

I recommend you to buy the app. It is amazing!

Disappering messages

GabrielBalta on

A good app but why need disappering messages , implement this on app please.

From best to…?

DarkMac78 on

Was my preferred secure messaging app. Now sending messages takes ages… the send message gets delivered days later, even though I have a stable working internet connection. So please, do something! It’s annoying to see that a paid app behaves like this.

The best

AdrianStoica on

The best you can get those days if you are concerned about privacy.

There is room for improvements

Matei0 on

You need some improvements.. it looks like an old whatsapp. Please change the interface a little bit and also add gifs!I appreciate that it is quite secure

Nobody use this

bazbiducii on

It is a very secure chat app, however nobody in România uses this, so it s a waste of money for me

Nice app

Comanandrei on

Top encrypted app, please add self destruct timer like other similar apps and will be the best🙏 thanks developer

Uimitor din toate punctele de vedere

Matei M ᵐᵃᵗʰ ᵗᵉᵃᶜʰᵉʳ on

Un soft perfect. Păcat ca nu e cunoscut in România. Niciunul din contactele mele nu-l folosește.

Almost perfect. Voice calling soon? Ever?

Gyzmok on

By far the best paid messenger app. This scored almost perfect at the EFF chart. Too bad FOR people not using on a daily basis (except Germany, as i read) By choice and not by chance, it is Swiss-based Wake up people. Highly recommend

Recomand !

eddye23 on

Este foarte securizat si se aseamana cu whatsapp.E foarte bun o sa fie foarte popular.

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App Info

Publisher
Threema GmbH
Languages
Portuguese, German, Czech, Chinese, Korean, Slovak, Spanish, French, Dutch, English, Italian, Japanese, Polish, Romansh, Russian, gs, Turkish, Ukrainian
Recent version
6.1.2 (1 week ago )
Released on
Dec 28, 2012 (11 years ago )
Last updated
1 week ago