The Wall Street Journal—which first reported Apple's streaming plans Monday, citing sources—said Apple sells about 80 percent of music downloads worldwide. But it has yet to take a large chunk of business in streaming, a growing mode of listening.
Spotify offers a free, ad supported membership as well as tiered payment plans. The platform has gained traction in recent years, running up a valuation of at least $8 billion and boasting more than 60 million users worldwide.
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On top of Spotify and Tidal, Apple would have to compete with Internet radio Pandora in an increasingly crowded space.
Apple hasn't yet sealed deals with three major labels, including Warner Music Group, which might represent a roadblock to the new venture, the Journal wrote, citing sources.
Spotify and Tidal also charge their users $10 a month, but Spotify offers a 50 percent student discount while Tidal offers a HiFi version of its service for $20.
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The launch of the streaming service will involve extensive promotion and a free trial period.
Pandora shares closed slightly lower on Tuesday, a day after the reports surfaced.