Esmuc V1 4+

Markus Sigg

    • $19.99


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 . 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 , the Napo documentation at and in particular the user manual at .

*** 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.

What’s New

Version 2.5

Upgraded to Napo 5.17.2. Fixes dysfunctional windchest volume controls and tremulants as well as breakdowns of the app when the user tries to configure the behaviour of MIDI controllers 64 and 66.

Ratings and Reviews

50C5 ,

Esmuc V1

Great sounding sample set and another masterful implementation. Thanks Markus!

John Hurt's Ghost ,


This is a very realistic organ sound. Bests everything on iOS barring others from this developer. I am tempt to get them all. This has to be a “Best Buy”, but I can’t tell until I get his cheaper organs. Get this and be happy playing it for hours on end. You can simply get dissolved into its sounds.

App Privacy

The developer, Markus Sigg, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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