
Roll Player Piano
Hand-cranked player piano app
0 ratings
Free
In-App Purchases
About
Features
-Rotating finger gestures on the screen to play music.
-The music can be played according to the conducting motion of the index finger captured by the front camera*.
-The music can be played accordance to the movement of the rotating circle captured by the rear camera*.
-The tempo of the performance can be controlled by the speed of rotation.
-The volume of the performance can be controlled by the size of the rotation radius.
-You can also play at the volume according to the score.
-You can record your performance.
-57 different sound sources can be switched.
-The equalizer allows independent adjustment of the volume of the low, mid, and high frequencies.
-MIDI files can be imported**.
-You can enjoy automatic performance.
-You can bring multiple iPhones to enjoy ensemble playing.
-You can practice ensembles with just one iPhone.
-You can play hand-cranked music by reading roll sheet socre with the camera*.
-You can play hand-cranked music by reading the rotating circle with the camera*.
-You can print roll music score for hand-cranked music box (40mm/70mm width) as PDF file*.
-You can print music score for disc-type hand-cranked music boxes as a PDF file*.
* In-app purchase ($0.99) will add more functions.
** In-app purchase ($3.99) will add more functions.
Show more
What's New in Roll Player Piano
3.0.11
August 3, 2026
- When the "Media type" of the score to be printed is "Piano Roll(40mm)," the size of the score has been revised to make it easier to recognize in the app.
More2
In-App Purchases
$3.99
MIDI file import
Add a function to import MIDI files.


