Clubhouse user growth has increased dramatically over the past six months, with searches for the app increasing 99x over that period. While currently invite-only and only available on iOS, Clubhouse has reached a $1 billion valuation as of January 2021. The top Clubhouse users include Elon Musk, Mark Zuckerberg, and several popular musicians. Although only available on iOS currently, the company has announced plans to develop an Android app in the future.