Duo vs. Viber — What's the Difference?

A pair of people or things, especially in music or entertainment

Viber, or Rakuten Viber, is a cross-platform voice over IP (VoIP) and instant messaging (IM) software application owned by Japanese multinational company Rakuten, provided as freeware for the Android, iOS, Microsoft Windows, macOS and Linux platforms. Users are registered and identified through a cellular telephone number, although the service is accessible on desktop platforms without needing mobile connectivity.

A duet

(Music) A duet, especially two performers singing or playing together.

Two people or two things in close association

Two people who work or collaborate together as partners; especially, those who perform music together.

Any pair of two people.

Any cocktail consisting of a spirit and a liqueur.

A song in two parts; a duet.

A composition for two performers; a duet.

Two items of the same kind

Two performers or singers who perform together

A pair who associate with one another;

A musical composition for two performers