NowListen - Listen to internet radio with no distractions
22tracks - DJ curated Spotify playlists on iOS
RadioGarden - An interactive map of live radio stations across the globe.
TuneIn Radio - With TuneIn Radio Mobile, your mobile device becomes the radio.
8tracks 4.0 (early access) - Internet radio created by people, not algorithms
Radio.co - For radio people, by radio people.