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With Spotify Integration, Algoriddim’s Djay App Gives iOS DJs Access To Millions Of Tracks

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Algoriddim is updating its iOS app djay today with a big new feature — integration with Spotify.

This is the first time djay (which the company says has been downloaded 10 million times, making it the world’s bestselling DJ app) has been connected to a streaming music service. This means users will no longer be limited to the music in their collection, and can instead access 20 million tracks in Spotify’s library.

Algoriddim aims to serve both casual users and serious DJs, and on the serious side, this could be the next step away from having to lug crates of vinyl records from club to club. It sounds like an obvious move, but CEO Karim Morsy said there were significant technical challenges, because users aren’t just streaming music from the cloud, but also mixing and applying effects in real-time.

You can see the app in action in the video above — as I watched Morsy show off djay’s different features, the app seemed to work as quickly with Spotify tracks as it did with iTunes music that was stored locally.

In addition to giving djay users access to more songs (they can search or browse different playlists, as well as share playlists of their own), Morsy said the integration allows Algoriddim to introduce two new features. First, there’s Match, which recommends songs that would be the right fit to play after the current track. Morsy’s a DJ himself and he said he’d previously believed that making this kind of song selection could never be automated. But using technology from Spotify’s acquisition of The Echo Nest convinced him that he was wrong.

And users can take that automated approach even further with Automix Radio, which won’t just choose the next song, but will create an entire mix and handle all of the transitions. So you can select a song that sets the mood, then let Automix continue playing automatically. In some ways it’s similar to just creating a station on an Internet radio service like Pandora, but with “beatmatched, DJ-style” transitions between songs.

Users will need a Spotify Premium account to access the Spotify library in djay, but the app includes a 7-day free trial for the premium service. Algoriddim is also promoting the apps by cutting the iPad price in half, to $4.99, and making its iPhone app available for free.