About this app
This app makes the sample set of the Grenzing organ of the Escola Superior de Música de Catalunya (Catalonia College of Music) available for playing with MIDI keyboards and a MIDI pedal connected to your iOS or macOS device. To learn about the instrument, please visit http://samplesets.esmuc.info/ . Sound and image files are incorporated into the app with the kind permission of the sample set creator, Pere Casulleras, so you don't need to download and install any additional data. For more information about the app and the underlying Napo framework, please visit the support page http://polaron.de/Esmuc/ , the Napo documentation at http://polaron.de/Napo and in particular the user manual at http://polaron.de/Napo/manual . *** For your attention *** This app is a huge download of about 1.3 GB. Make sure there is enough free SSD space on your device.
Latest release
What’s New
Upgraded from Napo 5.17.2 to Napo 5.18.1. - Bugfix in convolution reverb (delayed late reflections). - Pitch shifting range increased to ±200ç. - Loading saved settings is now be done by a short-tap. - Audiobus updated to version 3.0.15.1. Plus the changes of Napo 5.18 that you can read about in the Napo version history.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 11:31 AM $9.00
Screenshots
