Tired of having to pay for [lastfm link_type="artist_info"]Daughtry [/lastfm]tracks one at a time to listen to on your iPhone?  Worried there’s just not enough room for [lastfm link_type="artist_info"]Pink[/lastfm]‘s “Greatest Hits… So Far” album on your iPod?  Well, worry no more– starting today, you can stream over 600 professionally programmed radio stations from across the country, anywhere you go, with Radio.com’s iPhone app.

The Radio.com app operates on the iPhone, iPod Touch, and the iPad, and gives you unheralded access to all your favorite music with the touch of a finger. You don’t even need to stop what you’re doing to hear your favorite songs. Radio.com’s app features background streaming, which means you can keep listening to your music seamlessly as you check your email, play games, or do whatever it is you do on your device.

You also have the ability to tag stations and songs as your favorites, so you can pick up right where you left off, for those unfortunate occasions when you have to pull your earbuds out. Sharing your favorite stations (like us!) and songs is even easier than ever too. With the swipe of a finger, you can Tweet your top picks and post them on Facebook, so all your friends can listen along with you.

In addition to all your favorite radio stations, the app also includes interactive stations from AOL and Yahoo! Music, both of which give you the ability to skip tracks to get right to your favorites.

You can find out more and pick up Radio.com’s app here.