Rdio compete with services such as Deezer, MOG, Napster, Rhapsody, and Spotify. On September 27, 2013, Rdio added a music recommendations feature that delivered personalized albums, stations, and playlists. On January 16, 2014 Rdio introduced some free streaming options, supported by audio advertisements. On November 16, 2015, Rdio filed for Chapter 11 bankruptcy, and reached a deal to sell certain assets and intellectual property to a competitor, Pandora, for $75 million, pending approval by the bankruptcy court. As part of this transition, the Rdio service was discontinued effective December 22, 2015, and some employees were transferred to Pandora, which will introduce
Spotify team would lead an Advanced Analytics unit within the company focused on developing data services. In April 2016, Spotify acquired CrowdAlbum, a "startup that collects photos and videos of performances shared on social networks", and would "enhance the development of products that help artists understand, activate, and monetize their audiences". In March 2017, Spotify acquired Sonalytic, an audio detection startup, for an undisclosed amount of money. Spotify stated that Sonalytic will be used to improve the company's personalised playlists, better match songs with compositions, and improve the company's publishing data system. Spotify also acquired MightyTV later in March, an app