The secure instant messenger from Switzerland. GDPR-compliant chat app for individuals and companies that value security and data protection. Trusted by millions – find out more!
Threema is a mobile messaging app that emphasizes security and privacy. It allows users to send text and voice messages, make voice calls, share files, and more, all with end-to-end encryption. Threema is designed to be a secure alternative to other messaging apps, with no need for phone numbers or email addresses to register, ensuring user anonymity.
45000 / day
50000 / day
3.2 page per visit
Domain Rating
Domain Authority
Citation Level
English, etc
All messages, calls, and files are encrypted end-to-end, ensuring that only the communicating users can read the messages.
Users can register and use Threema without providing a phone number, enhancing privacy and anonymity.
Make secure voice calls with end-to-end encryption, ensuring that conversations remain private.
Share files securely with end-to-end encryption, including photos, videos, and documents.
Create group chats with up to 256 members, all secured with end-to-end encryption.
Use Threema on your desktop with Threema Web, allowing for secure messaging from your computer.
Create polls within chats to easily gather opinions or make decisions with group members.
Backup your Threema ID and messages securely, with the option to restore them on a new device.
Verify contacts using QR codes or key fingerprints to ensure the identity of the person you're communicating with.
Use Threema on multiple devices simultaneously, with synchronization of messages and contacts.
Threema GmbH is based in Pfäffikon SZ, Switzerland.
Threema operates on a pay-once model, where users purchase the app for a one-time fee, with no subscriptions or ads.
Threema's cryptography is open source, allowing for transparency and verification by the security community.
Threema has received several awards for its commitment to privacy and security, including the 'Best of Swiss Apps' award.
Threema has millions of users worldwide, with a significant user base in Europe, particularly in German-speaking countries.
Threema complies with the General Data Protection Regulation (GDPR), ensuring high standards of data protection for its users.
Security headers report is a very important part of user data protection. Learn more about http headers for threema.ch