Yes, I can confirm that Apple has approved the app. We're happy but have had a great dialogue with Apple all the way. They've been great!If this is true, which it seems to be, it means that Apple is letting direct competitors in to the iTunes platform. This is an interesting shift from previous quite harsh approval process. But it might also prove to be a natural result for Apple to actually be able to keep the control over the platform, not being forced by anti competition authorities to open up a bit of their dominance on the online music market.
The Spotify for iPhone app has previously been reported to include a function for offline music listening as well as online, which would then mean that the service would be in direct competition with Apple's iPods. A circumstance that indicates that Apple will get a bigger piece of the Spotify pie. It has also been reported that the service only will be available for paying customers, this is either an indication of that they would like to get more users signed up for the premium version. But it could also be the case that the fees to be paid to Apple could not be covered by the advertising revenue gathered by the ads sold on the Spotify platform. Ads which to a large extent are about Spotify itself or collaborating record labels.
Nontheless, I will download the app as soon as it is available.
Follow me on Twitter.