On Oct. 2, Pandora (NYSE:P) released September audience metrics displaying impressive year-over-year growth in listener hours, share of total U.S. radio listening, and active listeners. However, Pandora's growth did slow on a month-to-month basis. With Apple's (NASDAQ:AAPL) iTunes Radio making its debut halfway through the month of September, Google Music's cross-platform foray to iOS, and Rdio's launch of free services on mobile devices, is the market becoming too crowded for the large growth numbers that Pandora investors are looking for?

Additionally, how should investors view Apple's iTunes radio launch? After Apple reported 11 million users have listened to iTunes Radio, is this a good way to keep users immersed in their ecosystem? Finally, find out whether or not Motley Fool's Tech and Telecom Bureau Chief, Evan Niu, has Pandora's app on his iPhone.

In this segment from today's episode of Tech Teardown, Erin Kennedy discusses Pandora's subscriber numbers with Jamal Carnette and Evan Niu, CFA.

Erin Kennedy owns shares of Apple. Evan Niu, CFA, owns shares of Apple. Jamal Carnette owns shares of Apple. The Motley Fool recommends Apple, Google, and Pandora Media. The Motley Fool owns shares of Apple and Google. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.