Bopup Messenger

This app allows to exchange secure messages and communicate instantly with users connected to the same communication server software from mobile and desktop-based messaging clients. Instant messaging is strongly encrypted and archived on the IM server which is privately hosted and provided as a stand-alone application. Encryption is based on Diffie-Hellman key exchange to generate public/private keys and all data is encoded using CAST-128 algorithm. Supported features include user presence status, personal and group chat, offline messaging.

Bopup Messenger is primarily designed for business and enterprise use, it allows companies and offices to have their own private and fully managed secure IM network. Instant messaging is organized on a self-hosted IM server named Bopup Communication Server that must be running on a customer's environment. It accepts users connected from Windows desktop and mobile applications, and offers history logging, management of users and messaging groups, scheduled IM for automated and urgent notification of users.

Evaluation of this instant messenger app is possible via shared communication server running on In this case this address must be entered as a name of the IM server on Login screen and one from test user accounts can be used. For more information please visit website.
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What's New

The messenger app now runs in background on device startup if previously login credentials are saved;
Fixed app crash when it tries to show recipient typing event but the conversation screen in not in foreground;
Added Quit menu item to close and unload the messenger from memory;
The apps remains working in memory when it is closed by Back key;
Message text field takes an input focus again once an instant message is sent on Conversation screen;
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Additional Information

January 25, 2018
Current Version
Requires Android
2.3.3 and up
Content Rating
Interactive Elements
Users Interact
Offered By
B Labs
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