Clear Channel Radio has revealed that its iheartradio application for the iPhone has been downloaded more than one million times in the five months since its launch. The company also says use of the application has been growing at an average of 13% per week since launch. All in, it says, the online and mobile audience for iheartradio is increasing the total audience for Clear Channel Radio by up to 15%. Separately, the company has announced that a beta of i heartradio for the BlackBerry Pearl, Curve and Bold is now available via the iheartradio website.
Clear Channel Radio streams iheartradio content at 64kbytes and uses the AAC audio codec format instead of MP3. iheartradio content includes more than 750 US radio stations, including the local radio, genre-defying channels like erockster and Pride Radio, top sports and talk personalities, and traffic reports for New York and Los Angeles.
According to Clear Channel Radio, i heartradio is now a Top 100 free iPhone app, out of some 25,000 currently available, and is the No. 4 free music application. In addition, weekly uniques are up 43% since launch, according to data from Limelight.

The reception of iheartradio from iPhone users has exceeded all of our
expectations, says  Evan Harrison, Executive Vice President of Clear
Channel Radio and President of the companys Online Music & Radio
unit. Our commitment to a high-quality user experience has clearly
been embraced by listeners.