Viber is an encrypted instant messaging and calling app with over 1 billion registered users, offering end-to-end encryption by default, free HD voice and video calls, and low-cost Viber Out international calling.
Viber is an encrypted instant messaging and calling app with over 1 billion registered users, offering end-to-end encryption by default, free HD voice and video calls, and low-cost Viber Out international calling.
Skype is a VoIP pioneer founded in Luxembourg in 2003 and acquired by Microsoft for USD 8.5 billion in 2011, offering free audio/video calls and low-cost international calling, now being replaced by Microsoft Teams.
