The app features the latest in audio compression technology, providing greater audio quality and robust connectivity, according to the company, which enables listeners to immediately purchase and download music from the station.
Users can also text the NME Radio studio directly from the application.
NME Radio managing and programming director Sammy Jacob said: "It is, as far as I am aware, the first UK radio station app to have such facility.
"Apart from providing increased exposure to new and emerging artists, it will contribute to revenue. I believe stuff such as this is essential to the future of the music industry."
The launch of the NME Radio iPhone app follows the station's launch onto DAB in London in May.
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