This policy covers the Masterpiece app on every platform: Windows, macOS, Linux, Android, iPhone and iPad. Last updated 4 October 2026.
What Masterpiece collects
Nothing. Masterpiece has no accounts, no analytics, no advertising and no crash reporting. It does not connect to the internet: the Android app does not even ask for permission to.
What stays on your device
Masterpiece keeps its own files on your device only: your settings, MIDI mappings, combinations, recordings you make, a log of recent sessions, and a cache of the organs you load so they open faster next time. You can delete them at any time. On a phone or tablet, uninstalling the app removes them; on a computer they are in Masterpiece's own folder in your user profile. The log contains only what Masterpiece did, such as which organ it loaded, and is never sent anywhere unless you choose to attach it to a report yourself.
Files you open
Masterpiece reads the organ files you choose, where they are, to play them. It does not upload them or read any other files.
Permissions
- Bluetooth (Android, iPhone and iPad): to find and connect to Bluetooth MIDI keyboards and consoles, only when you use one.
- Location (Android 11 and earlier only): those Android versions require it before an app may scan for Bluetooth devices. Masterpiece never reads your location.
- Storage (Android 12 and earlier): to open organ files you choose.
- MIDI devices: to play from a USB or Bluetooth MIDI keyboard or console.
Children
Masterpiece collects no data from anyone, children included.
Changes and contact
If this policy ever changes, the new version will be published on this page with its date. Questions are welcome as an issue on GitHub.