Ostracod Xylophone is a one-octave diatonic instrument for both iOS and watchOS.

• Press a colorful bar to play a note.
• Notes include C, D, E, F, G, A, B, C.
• WatchOS plays notes through the watch speakers.

Please make sure that your device is not silenced before using this app.

What’s New

Version 1.0

This app has been updated by Apple to use the latest Apple signing certificate.

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, John Eisenmann, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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