Apps like Duo Messenger

Here are some great alternatives to Duo Messenger by JUSI PTE.LTD. :
ADAMANT Messenger
ADAMANT Messenger
★4.2
Session - Private Messenger
Session - Private Messenger
★3.5
Messages: SMS Text Messenger
Messages: SMS Text Messenger
★4.1
Duo Mobile
Duo Mobile
★4.7
Utopia — Private Messenger
Utopia — Private Messenger
★4.3
Speek! - Secure Messenger
Speek! - Secure Messenger
★4.2
Confide - secure messenger
Confide - secure messenger
★4.4
n-gage - Ultra Private Messeng
n-gage - Ultra Private Messeng
★3.8
Olvid
Olvid
★4.3
Safe Message
Safe Message
★3.3
SoftTalk Messenger
SoftTalk Messenger
★4.5
Messages: SMS, Text Messenger
Messages: SMS, Text Messenger
★3.5
Anonymous Messenger
Anonymous Messenger
★3.9
Threema. The Secure Messenger
Threema. The Secure Messenger
★4.2
StealthTalk: Private Messenger
StealthTalk: Private Messenger
★4.1
Messages- Text Messaging
Messages- Text Messaging
★4.0