iHeartRadio (often shortened to just "iHeart") is an American freemium broadcast, podcast, radio streaming and Music Streaming platform owned by iHeartMedia. It was founded in August 2008 and iHeartRadio serves as the national umbrella brand for iHeartMedia's radio network, the largest radio broadcaster in the United States with 128 million registered users as of 2019 and its other consumer-facing brands. Its main radio competitors are Audacy, TuneIn and Sirius XM.
https://en.wikipedia.org/wiki/IHeartRadio