A radio app is a mobile application that allows users to listen to live radio broadcasts on their smartphones or tablets. These apps usually provide access to a variety of radio stations from around the world, including music, talk radio, news, sports, and podcast stations. Some radio apps may also offer additional features, such as the ability to record shows, create custom playlists, or share content on social media. With the rise of technology and internet access, radio apps have become increasingly popular for people who want to listen to their favorite radio stations on the go.