Generally comprehensive but not the best for extremely new music
Makes it very easy to see what others are listening to and explore new music - but not as effortless as Pandora
Straightforward user interface; nothing remarkable
Mac, Windows, iPad, iPhone, iPod Touch, Android, Windows 7, BlackBerry, Roku, Sonos
Priced at $4.99 (Rdio Web) and $9.99 (Rdio Unlimited), Rdio is competitive but does not deliver as much value for comparable prices as Grooveshark, Pandora, and Spotify. The lack of free service (beyond free trials) is a shortcoming, also.