Varies with device
Application, Communication
Threema GmbH
2.7 | 1006 Ratings | 51731 Views
WHAT'S NEW
Explicitly force TLSv1.2 and TLSv1.3 on Android 4.1-4.4 (if supported) Bug fixesCategory | : | Application, Communication | Developer | : | Threema GmbH |
Released | : | 2013-05-27 | Update | : | 2019-11-29 |
Get It On | : | Last Version | : | Varies with device | |
Content Rating | : | Everyone | Requirement | : | 4.1 Android |
We let users confirm trusted contacts with a QR code or a key fingerprint to prevent man in the middle attacks.
HIGHEST ENCRYPTION STRENGTH
Threema end-to-end encrypts all your communication, including messages, voice calls, group chats, files and even status messages. Only the intended recipient, and nobody else, can read your messages. This App uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on user’s’ devices to prevent backdoor access or copies.
Threema 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 calls • share videos, pictures and locations • send any type of file (pdf, animated gif, mp3, doc, zip, etc.) • use This Web to chat from your Desktop • create groups • conduct polls with the unique 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)
PRIVACY AND ANONYMITY
Threema is designed to generate as little data on servers as possible ☛ this is a core part of our concept. 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 meta data. Threema is fully compliant with the European privacy legislation (GDPR).
FULL ANONYMITY
Each Threema user receives a random ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use App completely anonymously ☛ no need to give up private information or to open an account.
PERMISSIONS
Threema is a private messenger, but it still requires the following permissions (only used if the corresponding functionality is requested).
• Read your contacts / modify your contacts: used for address book synchronization. When the synchronization is turned off, your contact data is not read or modified. • Microphone: required for Threema calls and voice messages • Precise location (GPS and network based): used for “send location” feature. • Add or remove accounts, find accounts, create accounts: required for contact synchronization and integration in Android’s account management. • Modify or delete the contents of your USB storage: required for reading and storing media files (images, videos, documents). • Make and manage phone calls: required to reject incoming phone calls while a Threema call is ongoing
SUPPORT / CONTACT For questions or problems please consult our FAQs: https://threema.ch/en/faq
INDEPENDENT COMPANY
We are a 100% independent and self-financed company in the heart of Switzerland with its own servers and in-house software development. Switzerland is a country with some of the most user friendly privacy laws in the world.
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