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Threema. The Secure Messenger

Threema. The Secure Messenger

Threema GmbH

4.2

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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 you 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
• Edit and delete sent messages on the recipient’s end
• 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
• React to messages with emojis
• 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

릴리스 세부정보


발행국US
국가 출시일2013-05-27
카테고리Communication
국가 / 지역US
개발자 웹사이트Threema GmbH
지원 URLThreema GmbH
콘텐츠 등급Everyone

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  1. Dan 작성

    2024-11-01

    버전 5.5.1

    ConfusingHate itPrivacy

    Pretty cool application for encrypted messages, security is important to me but Threema is missing out on a huge opportunity to compartmentalize an SMS platform and offer the best of both worlds. I know the intention is to not cause confusion, but there are ways to mitigate that from a GUI perspective to differentiate the two services and it's disappointing to see such an expensive application that is missing out on that opportunity.

  2. Natasha 작성

    2024-09-08

    버전 5.5

    Hate itLove itUpdates

    Considered this app to replace soon to be gone BBMe (which I used for about 15 years and loved). So far, I am not disappointed. However, few features could be a nice addition (and a 5 star rating) 1. Ability to edit the text message once it was sent and even if read by the recipient 2. Ability to retract the text even if already seen/ read by the recipient 3. Ability to export chats Thank you! Updated on 9/8/24 changing my rating from 4 to 5 stars -the ability to edit and delete texts is great!

  3. Gene B (Sebastian L) 작성

    2020-08-12

    버전 4.34

    BugsDeviceFacebookFeature RequestsHate itLog InPrivacySpendingStrenuousnessWaiting

    Can't recommend this enough. The only thing it's missing is self destructing messages, but that's not really as reliable as you might think. You should always be careful of the things you send no matter what and that you full trust the person on the other end. If you care about your security and still want group texts, then Theema is the absolute best messaging app for you. Not having to tie your phone number or email to your account is a huge plus for me, while for some people it's nice to be able to see all of your pre-existing contacts (which you can still totally do if you want) I prefer not to just have people be able to find me like that. I had some of my friends downloaded it (I even paid for some of them to get it, because it's that good) and walked them through skipping adding their phone number and email, had them add a master password (which you have to enter when you turn your phone on; optional) and PIN. You can set the PIN for individual chats. I have one group with 10 people who exchange books with each other. There are polls, now there's video chat to compliment the phone calls, you can transfer your account between phones, there's a web client, the servers are in Switzerland, end-to-end encryption by default, you can verify and add your contacts phones by scanning their QR code to avoid "man in the middle" attacks, and best of all you can just totally ditch your account; delete everything and start over whenever you want with a new anonymous ID. Seriously, I cannot stress it enough, if you genuinely care about security you need to buy this app and get your contacts to but it. Sure you can get Signal, which is tied to your phone number (not to mention gets part of its funding from the State Department and has a broken desktop app that stores everything in plain texts files) or WhatsApp (which is owned by Facebook and probably collects your data to sell you garbage) for free, but your paying for the real thing when you get Threema.

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