Apps like SMART Comms

Here are some great alternatives to SMART Comms by Salt Communications :
SafeSwiss® Private Messenger
SafeSwiss® Private Messenger
★3.8
Cellcrypt Enterprise
Cellcrypt Enterprise
★3.5
Seecrypt Enterprise
Seecrypt Enterprise
★3.8
Silent Phone - Secure Calling
Silent Phone - Secure Calling
★3.9
ArmorText
ArmorText
★4.4
Element - Secure Messenger
Element - Secure Messenger
★3.3
BrightChat - Secure Messaging
BrightChat - Secure Messaging
★4.4
StealthTalk: Private Messenger
StealthTalk: Private Messenger
★4.1
Glacier Chat: Secure Messenger
Glacier Chat: Secure Messenger
★4.3
Link'D
Link'D
★3.4
AWS Wickr
AWS Wickr
★4.0
AI Chat - Call&Chat
AI Chat - Call&Chat
★4.6
BeOn® Push-To-Talk
BeOn® Push-To-Talk
★3.5
Threema Work. For Companies
Threema Work. For Companies
★3.5
BBM Enterprise
BBM Enterprise
★3.3
GoldKey Phone
GoldKey Phone
★4.0