It claims that the apps - available for iPhone, Android and BlackBerry - combined with online listening has increased the total audience across 900 stations by 15%.
Speaking to MocoNews, Clear Channel president of online music and radio Evan Harrison made the numbers public.
He revealed that over 8m people have downloaded the app. They listen for 3.5 hours a week and visit an average of four different stations each a week.
The iPhone app was downloaded more than 1m ...
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