# Esmuc V1

> Play the Grenzing organ sample set with MIDI controllers on iOS and macOS. (iPhone/iPad app by Markus Sigg.)

- Source: https://appshunter.io/ios/app/esmuc-v1/id1383646884 (this page in markdown: same URL + `.md`)
- Developer: [Markus Sigg](https://appshunter.io/developer/458880634)
- Category: Music
- Price: $9.00 (on sale, was $10.00)
- Rating: 5.00/5 from 2 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.5.6 · 1.1 GB
- Languages: English, German
- Released: 2018-05-30
- Data updated: 2026-08-20
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/esmuc-v1/id1383646884/reviews.md

## What is Esmuc V1?

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.

## Key features

- Grenzing organ sample set
- MIDI keyboard and pedal support
- iOS and macOS compatibility
- Integrated sound and image files
- Large download size (1.3 GB)

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/esmuc-v1/id1383646884/reviews.md

### 5/5 — superb VPO

*2020-12-29*

Makus Sigg is a superb curator / engineer / computer specialist in achieving a breakthrough n file compression with software that iseasy to operate and understand ...I use all the organs every day when not working as a  organ Student

### 5/5 — Incredible

*2019-11-11*

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.

### 5/5 — Esmuc V1

*2018-06-10*

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

## Frequently asked questions about Esmuc V1

### What is Esmuc V1?

Esmuc V1 is a paid application that provides a sample set of the Grenzing organ for playing with MIDI keyboards and pedals on iOS and macOS devices. It includes all necessary sound and image files within the app.

### What devices does Esmuc V1 support?

Esmuc V1 is supported on Mac, iPhone, iPad, and iPod devices. It requires sufficient free SSD space due to its large download size.

### How much does Esmuc V1 cost?

Esmuc V1 is a paid application priced at $9.00. There are no in-app purchases or advertisements associated with this app.

### Does Esmuc V1 have ads?

No, Esmuc V1 does not contain advertisements. It is a paid application that offers an ad-free experience for users.

### When was Esmuc V1 last updated?

The latest version of Esmuc V1, version 2.5, was last updated on June 21, 2023. The app was originally released on May 30, 2018.

### What is the age rating for Esmuc V1?

Esmuc V1 has an age rating of 4+. This indicates it is suitable for users aged four and older.

### How large is the download for Esmuc V1?

Esmuc V1 is a large application, requiring approximately 1.3 GB of free SSD space on your device. Ensure you have enough storage before downloading.

### Where can I find more information about Esmuc V1?

More information about Esmuc V1 and the Napo framework can be found on the support page http://polaron.de/Esmuc/ and the Napo documentation at http://polaron.de/Napo. The user manual is available at http://polaron.de/Napo/manual.

## Version history (last 5 releases)

### 2.6 — 2026-08-17

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.

### 2.5 — 2023-06-21

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.

### 2.4 — 2023-05-07

Upgraded from Napo 5.13 to Napo 5.17, which brings temperaments functionality and other changes as detailed in https://polaron.de/Napo/history/index.html#5.17 .

### 2.3 — 2022-02-06

Upgraded to Napo 5.13.

- The sustain function of the screen keyboards can be turned off.
- Now supporting all currently known Launchpad models.
- Dry/wet control for the convolution reverb.
- Redesigned reverb control: AU Reverb, Convolution Reverb and the rendering of sample releases can now be controlled independently. You can play the sample releases and still add artificial reverb.
- Included metronome (long-tap the Console view icon).
- Optional coloured borders around the stop buttons. This makes the assignment of the stops to the manuals more apparent (long-tap the Console view icon).
- Fixes problems with iOS 15 prewarming.

### 2.2 — 2021-08-25

Upgraded to Napo 5.4. Main changes:

- Support for recording in 32 bit float WAV format.
- New recorder configuration editor (long-tap the Start Rec. button).
- Auto-sustain for screen keyboards: When you tap a key only shortly, it will be sustained. When you tap for longer than 0.1 seconds, it will be released when the tap ends.
- Screen keyboards can send MIDI messages.
- Shared impulse responses. The IRs are shared by all updated Napo apps. Use StrandOrgan to install the factory IRs. You can use the Thafknar app to manage the IRs.
- Improved Launchpad handling.
- Support for Launchpad X.
- Audiobus updated to v3.0.15.

## Apps similar to Esmuc V1

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Passaggi](https://appshunter.io/ios/app/passaggi/id1499123312) | 4.0 (3) | $14.99 | Music |
| [Pure Upright - Virtual Piano](https://appshunter.io/ios/app/pure-upright-virtual-piano/id1614870056) | 4.9 (72) | $29.99 | Music |
| [PhysisPlus Editor](https://appshunter.io/ios/app/physisplus-editor/id6446284587) | 5.0 (1) | Free | Music |
| [Wobulator](https://appshunter.io/ios/app/wobulator/id6743047882) | 5.0 (5) | $1.99 | Music |
| [Echo Pitch](https://appshunter.io/ios/app/echo-pitch/id1180443904) | 4.9 (16) | $4.99 | Music |
| [ANALOGySAW](https://appshunter.io/ios/app/analogysaw/id6752911274) | 5.0 (1) | $2.99 | Music |

## More apps by Markus Sigg

- [EagleView - EagleData Viewer](https://appshunter.io/ios/app/eagleview-eagledata-viewer/id458880631)
- [StrandOrgan](https://appshunter.io/ios/app/strandorgan/id488756266)
- [MenzelOrgan](https://appshunter.io/ios/app/menzelorgan/id519045788)
- [OttOrgan](https://appshunter.io/ios/app/ottorgan/id519638462)
- [PiteaMini](https://appshunter.io/ios/app/piteamini/id545235579)
- [Jeux d'orgues](https://appshunter.io/ios/app/jeux-dorgues/id557697492)

All apps by Markus Sigg: https://appshunter.io/developer/458880634

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*