Viber is an instant messaging and VoIP app for iOs and Android that supports one-on-one messaging or group chats, voice or video calls reliably and affordably. The free messenger also lets you make international phone calls, whether you want to make a quick voice call or live video chat. Viber is connected to your phone book, and the Viber Out option shows up on your contacts' info screen. People use Viber Messenger to play Viber games with friends, follow brands and celebrities on Public Accounts, share photos and videos, communicate with emoji icons and cool stickers, record audio messages and even send files.