Rdio is an online music service that offers ad-supported free streaming service and ad-free subscription services in 35 countries.
Pro Beautiful UI
On all web/desktop/mobile devices, the apps are beautiful and the interface is clean. The album view is immersive and everything is easy to access.
Rdio features a bright interface with a white theme rather than some of the darker themes in other services. The service also features a glossy blurred background inspired by the album art of the song you are listening to.
Pro Large catalog of music
Rdio has over 20 million songs in its catalog and has consistently added new music as it has been released. One caveat however is a lack of some older music.
Pro Strong music discovery features
Rdio has fantastic social and UI mechanisms built in to help you discover great new music from both your friends and other music aficionados in the Rdio network.
Pro Ability to subscribe to channels to act as a radio service
Pro Ability to download songs locally to mobile devices for offline play
Pro Wide availability
Rdio is available in over 50 countries around the world.
Pro Cross-platform desktop, mobile and web
Rdio offers a web application, desktop application, and a mobile application for Android, iOS, and Windows Phone. There is also a specific iPad app.
Pro High quality sound for premium users
In the past sound quality was a disadvantage of Rdio but recently the service matched its competitors with an update to the AAC format. The change updated the catalog to 320 kbps for premium listeners (when selected in the settings). Free users still listen at 160 kbps maximum.
Pro Social integration with Heavy Rotation
Heavy Rotation is another Rdio feature that helps its users discover new music. Heavy Rotation highlights the music that its user's followers are listening to. Rdio users can follow music blogs, magazines, artists, or friends from Twitter and Facebook.
Pro High degree of station customization
Rdio provides filters to fine tune the types of music selected in Rdio's stations. Aside from the normal thumbs up or thumbs down, Rdio allows you to select between adventurous and familiar in your own station or adventurous and artist only when listening to a station of a specific artist. This is an excellent feature because it allows Rdio to suggest riskier choices when you want it or just what you expect.
Pro Has free streaming option
With the web application users can play an unlimited of on demand music and Rdio Stations with advertisements for free. On mobile the experience is limited to Rdio Stations with a limit of six skips per hour.
Con Shutting down
The company is filing for bankruptcy, its assets are being purchased, and so will likely be shut down.