Songbot: Free Music & Radio Search Engine
From their description:
* Free for Mother's Day Weekend *
First 10,000 users will have free unlimited access to the premium channels. Don't forget to wish your mother a Happy Mother's Day.
Songbot is a powerful tool that can search every radio station in the world for the song you want to hear. Just type in the song name or artist you want and start listening immediately. Or choose from a list of currently playing songs from your favorite genre.
Download link:
https://itunes.apple.com/us/app/songbot-song-finder/id846531304?...
It really works by letting you just pick a song, and the app will start playing it. There are no ads, in-app purchases, subscription free, or accounts to sign up for. I checked AppShopper, and this app was originally $5. I was able to get the free premium channels for life.