SecretIM

"SecretChat" to support users private chat, group chat, encrypted chat, burn after reading.
By default, the text content of the chat is forbidden to copy unless the sender opens the text copy option.
The software uses asymmetric encryption to protect data from transmission.
The user's password, chat content and other sensitive information on the server are all encrypted by high strength.
User data and buffering data on the client are also encrypted with high intensity, so you don't have to worry about the security risks associated with the loss of your phone.