Some apps that allow users to identify music playing on the radio are Shazam and SoundHound. Shazam is available for iOS, Android, Windows Phone, Mac and Windows. As of 2015, the free version of Shazam lets users identify five songs per month. The full version costs $4.99 per month.
SoundHound is available for iOS, Android, BlackBerry and Window 8 Phone, and it is free. This app can identify songs and share the result on social media platforms such as Twitter and Facebook. In addition, when users tag a song in this app, it displays the lyrics of the song along with the title of the album.