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

4.18 out of 5

217 ratings in Ukraine

5 star
146
4 star
24
3 star
13
2 star
8
1 star
26

Ratings History

Reviews

Придбав та користуватися не вистачило терпіння

WeZuss on

Наче непоганий застосунок та велика кількість багів, недопрацювання, відрадили мене від ідеї подальшого користування цим додатком. Може якось згодом буде краще. Поки видалив мобільну та десктоп версію. Більшість функцій працює, але бувають перебої. Відео звʼязок працює не завжди. Вердикт: додаток сирий для вирористання. Можна поставити подивитися і погратися.

Дуже погано як для платного месенджера

Visheit on

Чому так погано працює платна програма? чому такі всраті голосові? чому не можна видалити надіслане повідомлення у себе і у співбесідника? Чому час від часу просто не приходить повідомлення без наявних причин?

Пожалуйста добавьте гиф, и больше эмодзи.

En-590 on

Я настоятельно требую этого. Владиславу так больше нравиться со мной вести диалог 😂

Autodelete

kl1m.danil on

Please make autodelete messages🙏

Пока плюсов не вижу.

Укронацыст on

Разроботчики,а вы не думали что человеку нужно будет поменять телефон???!!!Чаты нужны будут все !!!

4

DoroshOrest on

Потрібно трішки допрацювати месенджер, в плані зручності користування, не в плані безпеки.

The worst messenger ever

Drich282 on

The worst messenger on PC, the versions are very limited and the standard features are poorly implemented. Terrible compatibility

Ukraine

+380675111111 on

Отличный мессенжер, не требует привязки к email, или номеру телефона. Проверен в разных ситуациях где viber и другие мессенджеры проигрывали. Просьба к разработчику добавить отправку сообщение по времени.

iOs 17 notification issues

Drumfather on

After updating to iOs 17, Threema don’t show the notifications of new messages

👍🏻

Антон1870 on

everything was resolved

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App Info

Publisher
Threema GmbH
Languages
Dutch, German, English, French, Italian, Japanese, Korean, Ukrainian, Polish, Portuguese, Romansh, Russian, Slovak, Spanish, gs, Chinese, Czech, Turkish
Recent version
6.1 (1 week ago )
Released on
Dec 28, 2012 (11 years ago )
Last updated
1 week ago