Cryptogram Messenger uses its own proprietary protocol optimized for speed and security. Check the delivery speed of the messages and compare it with your other favorite apps.
The authentication keys are stored on your device and cannot be transferred out of it. This ensures the highest safety for your user account. You even do not need a username. Just share your Cryptogram QR-code with your friends for private conversation.
The application is free and the most of its features are available to users for free. However, some additional functionality like Voice Calls adds extra load to our infrastructure and is available in a form of yearly subscription at a minimal possible price.
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