Viber for BlackBerry
is an application that lets you make free phone and video calls using a WiFi connection. You can talk one-on-one with friends and family as well as participate in conference calls. Its messaging app allows you to send images as well as choose add-ons from an expansive emoji and sticker library to make your conversations more exciting. To ensure the security of your conversations, Viber allows you to manually manage your contact list; the app also automatically encrypts your incoming and outgoing messages.
Viber for BlackBerry is also available on Windows
, and iPhone