Gryphn Secure Text Messaging is a secure and private messaging app designed to protect the user's communications and personal data. It utilizes end-to-end encryption to ensure that only the sender and recipient can see the messages, and that no one else can access them. With the app, users can send and receive text messages, images, videos, and files securely and privately. It also features a Self-Destruct feature that allows users to set a time limit on their messages, after which they will be destroyed and inaccessible to anyone. Additionally, the app also includes a secure calling feature and the ability to set up secure groups for secure text conversations. It also allows users to set up a secure PIN to protect their messages. Gryphn’s Secure Text Messaging app is available for both Android and iOS devices.
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Warning There is strong evidence that Surespot's integrity was violated by the U.S. government: https://www.bestvpn.com/blog/21648/has-secure-im-app-surespot-been-compromised-by-the-feds/