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Cotracks - Collaborative Music Studio

Cotracks takes the idea of sharing an iPad for music performances, as we saw in ReBirth for iPad, and turns it on its side!
This is surprisingly cool. Check out the promo video before the lengthy iTunes description!

Cotracks iTunes Description:

With Cotracks you can create multiple layers of loops and phrases using multiple instruments. Cotracks is designed to maintain your creative flow and is always ready to capture your ideas, regardless whether you are flying solo or collaborating with others.

Collaboration is where Cotracks really stands out. Everyone in your session has the ability to play and record at will without disrupting or being disrupted by the workflow of others. This lets you lay down the foundation of a tune within minutes and makes Cotracks the perfect and inspiring tool for brainstorming new ideas within a group.

Designed for Varying Number of Users

You can start off creating music in a single user mode. Later when your friend decides to join in, you switch to a two user mode. The interface layout will adjust enabling convenient access to the application from both sides of the table. Whenever another friend happens to join you, the layout will adjust again enabling access from all four sides of the device, letting you team up with up to three friends for a super creative music session. Whenever one or more members leave the session, it is as easy as a single tap to switch back to the smaller team or to the single user mode, letting the remaining members continue from where the others left off.

Designed for Variably Skilled Players

Cotracks offers lots of fun at the same time for both novice and advanced musicians with the help of scale based keyboard, flexible quantize, sequence sharing and editing capabilities. For example, a novice musician may grab a copy of a complicated sequence played by a more experienced friend and edit the instrument, sound and effects, record modulation controllers over the sequence and tweak the various playback parameters including key and scale. Essentially creating something new and exiting without necessarily playing a single note. Cotracks is all about giving everybody the means to contribute, which takes the concept of music collaboration to a new level.


  • Multitrack Sequencer
    • up to 12 instrument tracks
    • beat synchronized playback and recording
  • Interface
    • comfortable access for multiple users
    • instruments may be arranged in multiple orientations
    • dedicated interface modes for single user, two users and four users
    • switch between interface modes with a single tap
    • access four instruments simultaneously
  • Editing
    • nondestructive quantize and transpose
    • change the playback scale of recorded sequences
    • drag and drop copying of sequences between instruments
  • Instruments
    • polyphonic synthesizer with dozens of high quality instrument presets
    • monophonic bass/lead synthesizer with dozens of high quality instrument presets
    • sample player with a library of professional quality samples from Inspire Audio
    • programmable XY-modulation
  • FX
    • stereo delay
    • stereo phaser
    • 2 equalizer units
    • dedicated [effects] units for each track
  • File
    • export each instrument to separate audio clip
    • export all in one audio mixdown clip
    • export and import sessions via iTunes in XML format for backup and sharing

Buy Cotracks on iTunes: $14.99

Reader Comments 9

That looks like a lot of fun... but...


September 23, 2013  | person_outline Baddcr

I hope that the usual suspects show up soon in this app: audiobus and the ability to past your own samples into the sample player. Other than that, it looks and sounds like it could be quite fun. As far as I know, its current price is an introductory -50% price for the first week.

@Baddcr: haha! I didn't know this Chescaleigh lady until Tim Webb posted the link to her video; wow, she's great!

September 23, 2013  | person_outline synthandson

@synthandson, me either, and yes - great indeed! I did rather like the girl with the freckles on her nose too though ;-)

September 23, 2013  | person_outline Baddcr

I'm confused … the App Store shows this as having been updated on Aug. 20, 2013 with version 1 as July 13, 2012. How can this be a new app? But yet it must be since no one seems to have heard of until today. Not many apps being approved lately … guess the App Store is busy with something else these days :)

September 23, 2013  | person_outline Marlene DeGrood

@Marlene DeGrood: It's really a new app but this false date thing happens occasionally with the app store as well as the itunes store. Once I was looking for a certain 90s HipHop album and it said 'release date:...something1969' which is totally impossible.

September 23, 2013  | person_outline synthandson

Addendum: Here you can see that this is in fact a new app:


September 23, 2013  | person_outline synthandson

@synthandson … guess you just can't believe everything you read in an App Store description huh ? :). But I do believe that I love this app! It's really fun and fun is always a good thing :)

September 23, 2013  | person_outline Marlene DeGrood

Apps can be upped to the AppStore but only be accessed by certain people for testing, or a certain country doing a soft launch before letting the app lose into the wild, and so on. So it's probably something like that.

Does this have at least general ACP out in iOS 7? Or is it strictly iTunes filesharing for now?

By the way, the dev said Audiobus is on the map and IAA, soundcloud, Dropbox etc. But they're going by user feedback, so if you want Audiobus or whaever, hit em up on their Facebook, official kvr forum, or via email on their site.

September 23, 2013  | person_outline ChrisG

Very very cool. Would be more fun with friends at a bar than the boobie hunt machines. Need a headphone splitter though.

September 24, 2013  | person_outline Will

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