SafeUM is the best solution for private and business secure communication.
The secure messenger's features:
encrypted group chats
registration without a SIM card, using only login and password
registration with SIM card for convenient usage of your contact list
usage of 3 accounts simultaneously on one device
chat history can be disabled on both sides simultaneously
displayed messages number limitation
account authorization history
free encrypted audio- and video- calls inside SafeUM network
local data is not stored on your device. You can always securely access your data. Never lose your data again
“enhanced encryption” mode
verification of your interlocutor’s encryption keys with QR-code
three levels of account access with three PIN-codes
your personal information is not available when in public networks (e.g. Wi-Fi)
security alerts of account hacking attempts
dynamic secret key generation for each message
additional protection: digital signature ensures the integrity of the transmitted data as well as the authenticity of the interlocutor