Grace Digital emphasizes radio in its updated mobile application, the Grace Digital Audio iPhone OS4 Radio App.
This particular app, available at the iTunes Store for $4.99, is designed for the iPhone 4, its OS4 operating system and the improved multitasking capabilities of that system.
"Users can now listen to their tunes while working other applications, answering e-mails, responding to text and more," it states.
"Grace Digital's Radio App features CNN, CBS Radio, NBC, Clear Channel, AOL, NPR, Fox, Sirius Internet radio, BBC and over 17,000 radios stations, podcast, and on-demand content from around the corner to around the world."
The app also works with Grace's line of Internet radios.
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