Band is a popular social app in Korea whose number of monthly active users surpassed that of Facebook by June 2014.

[1] Secret Bands are mostly created by pre-existing offline groups when members intend to stay connected, plan, and collaborate with each other via mobile.

Closed and Public Bands are created by interest-based groups, like people with common life experiences or hobbies, gamers, fans, and such.

[4] According to Naver, as the COVID-19 pandemic spread in the United States in March 2020, Band's monthly live users exceeded 2.5 million, a 17-fold increase from 2016.

This is because it provides functions such as live broadcasting, attendance check, voting, and group call online.