Become part of the magic of creation and improvisation. Join in with friends, family, or anyone and make music together. Soi is an expressive instrument that allows for a group of any size to perform as an ensemble. Soi automatically harmonises and synchronises each of the participants to help everyone to feel engaged. There are no wrong notes!

What’s New

Version 2

- A QR code is no longer required to use the app. Now a default composition is downloaded when starting the app.
- A tutorial has been added.
- Improvements to the synthesizer.
- Better URL validation.

Ratings and Reviews

3.0 out of 5
1 Rating

1 Rating

Samuel Anderson ,

Good sound but how to join others?

The buttons in the corners don’t seem to do anything when tapped.

App Privacy

The developer, Aero Deko, 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 Not Collected

The developer does not collect any data from this app.

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


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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