CoSo by Splice 4+


    • 4.5 • 75 Ratings
    • Free



CoSo is the AI-assisted sound creation app that lets you follow your instincts and make music in the moment. Whether you’re making unique music for your social posts or getting inspo for your next hit, CoSo is the app to bring instinctive creation to your fingertips.

Stop digging—start creating
CoSo listens to your track in real-time, then serves up Complementary Sounds that go together. With the "does this sound good together" out of the process, you can focus on letting your creative instincts lead you.

Instinctual creativity
Create a Stack by choosing a style then add up to eight instrumental layers from across the Splice catalog—every selection is uniquely yours and destined to work.

Everything under your thumb
Swipe right to choose a new sound, swipe left to delete, tap a layer to mute it, and long-press to solo. CoSo’s here to create musical momentum.

Save. Send. Share.
Send your stack to socials, save to your library, share with a friend, or export it to Ableton Live (coming soon). You can also locate your sounds in the Splice library to use them in your DAW. CoSo by Splice. Make music in the moment.

What’s New

Version 1.3.5+1841

New Features!

Record Stack Performances
Hit record and perform with your Stack by muting and unmuting layers in real time. After you’re done jamming, share your creation with the world!

Share your Stack as a video
CoSo now creates a unique video for any Stack with visuals that move with the beat. Just tap share to send the video to a collaborator, post to your socials or save it to your camera roll for future inspiration.

Less Bugs : )
Now you can use more types of characters and emojis when naming your Stacks.
Fixed some minor playback bugs, loading bugs, and save issues.

Ratings and Reviews

4.5 out of 5
75 Ratings

75 Ratings

djewand ,

Surrender yourself to Splice

Alright, I’ll admit. I was skeptical to give this a try. I pay for a splice sounds membership at 100 credits a month. While I greatly appreciate the service and use it regularly, something about using pre made samples always gave me an internal argument. I was weary of CoSo being another high-tech money-grab that stunts the growth of true creativity. If you want to look at it that way, yes, it may insidious - but delightfully so. The sheer speed at which one can sketch new ideas is like nothing I’ve ever used before. I will always grapple with the idea of AI making my creative decisions for me. It encourages laziness. But at the end of the day we musicians are still in the driver’s seat. I think for the average splice user who uses loops as a source of inspiration or a sort of “jumping off” point, this app will ramp up those sketching workflows exponentially. I foresee increased spending of splice credits in my future, which might not be such a bad thing after all :)

Dawnclef ,

Good App, Keep Improving It!

The design and layout of everything in the app itself is nice. The stacks are organized in a simple fashion, and creating them is efficient thanks to the design. However, my main complaint is that there is simply no way to export these stacks into a DAW. It’s great that we can share our creations through this app, but when will we get the ability to export the stacks into DAWs? I love this app, but personally I think it would work best alongside another program, such as a DAW.

Rari19 ,

Love the app just needs more options

I feel as if it’s great app to have for workflow but what’s holding it back is the lack of options cause right now it’s not useable for every producer out there but still great none the less

App Privacy

The developer, Splice, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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