Viber is part of the Rakuten Group, a world leader in e-commerce and financial services.Ĥ. On by default for all 1-1 calls, chats, and group chats, end-to-end encryption allows to you to communicate with confidence knowing that all private messages are, well, private.ģ. Viber Out Subscriptions are bundled minutes to call a specific destination, which can be purchased in-app and be renewed monthly or weekly depending on your plan.Ģ.