Amazon is entering the music streaming fray, it seems. The online retailer launched its new service, Prime Music, only days after it was reported that they were working on a competitor to Spotify and the Apple-owned Beats Music.

Unlike Spotify, which is free to anyone who downloads the app, Prime Music is available only to users who have already signed up for Amazon Prime. However, the streams are completely ad-free, and offline streaming is a viable option.

However, Prime Music has a few drawbacks. Universal Music Group has yet to sign a licensing agreement with Amazon, so their catalogue (which includes any album put out on Interscope, Geffen, Capitol, and a whole bunch of other labels) isn’t available at this time. Also, the New York Times is reporting that most new releases would not be available on Prime Music right at their release.