FStream,
a nice free streaming radio app from Julien-Pierre Avérous for IOS.
Itunes Store Link: http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=289892007&mt=8
Web site: http://www.sourcemac.com/?page=fstream
Download: Android | iOS
See below link for adding your streaming server to TuneIn
How-to: add your Icecast V2 channel to TuneIn
How-to: add your Shoutcast V2 channel to TuneIn