App Store
Version 1.0 · 2026-10-15
No release notes were provided for this version.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.0, updated 2026-10-15.





Store screenshots supplied by the developer.
Squeeze music out of your phone. Made for iPhone Duo, where the hinge is the bellows.
Bellowsby is a little red accordion with pearl buttons, a nickel grille and real bellows to pump. On iPhone Duo, open the phone and hold it like an accordion, one half in each hand, then close it a little and open it again. Squeeze gently for a soft note, faster for a full, bright one. It feels like the real thing, because it works like the real thing. Closed, the cover screen is the accordion's front, with all the settings and a small keyboard to play.
ON ANY OTHER IPHONE Hold your iPhone sideways, put a thumb on each side and squeeze: push your thumbs together and pull them apart, and the bellows breathe in and out and the reeds sing. No reading music, no finding the right key. Keep squeezing and the tune keeps coming.
TWO WAYS TO PLAY
• Auto: pick a song and squeeze.…
From the developer’s store description.
For developers and the curious
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Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
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