Zell MT – The Zell harpsichord

Markus Sigg Music iPhoneiPadiPod touchMac

Zell MT – The Zell harpsichord is a paid Music app for iPhone and iPad by Markus Sigg. Rated 5.0/5 from 4 ratings. Requires iOS 12.5.6.

Rating: 5.0; 4 ratings
Price: 9 USD; on the App Store
Size: 453 MB; Age 4+
Updated: Aug 17; 2026 · v3.1

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About Zell MT – The Zell harpsichord

This app makes the meantone temperament version of the Christian Zell 1737 harpsichord sampleset available for playing with a MIDI keyboard connected to your iPad or iPhone. To learn about the instrument and the sampleset, please visit http://samplesets.esmuc.info/ . There is also an equal temperament version and a bundle of both apps. If you purchases one of the apps, you can download the other one for free by bundle completion. For more information about the app and the underlying Napo framework, please visit the support page http://polaron.de/Zell/ , the Napo documentation at http://polaron.de/Napo and in particular the user manual at http://polaron.de/Napo/manual .

What’s new

Version 3.1 · Updated August 17, 2026

Upgraded from Napo 5.18 to Napo 5.18.1. - Bugfix in convolution reverb (delayed late reflections). - Pitch shifting range increased to ±200ç. - Loading saved settings can now be done by a short-tap. - Audiobus updated to version 3.0.15.1.

App privacy

The developer, Markus Sigg, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Zell MT – The Zell harpsichord is a paid Music app for iPhone, iPad, iPod touch and Mac, developed by Markus Sigg. It is rated 5.0 out of 5 from 4 ratings on the App Store, requires iOS 12.5.6 or later, is 453 MB to download and is available in 2 languages. It was first released on December 21, 2017 and last updated on August 17, 2026.

Category: Music
Rating: 5.0 / 5 (4 ratings)
Price: 9 USD
Version: 3.1
Size: 453 MB
Requires: iOS 12.5.6 or later
Compatibility: iPhone, iPad, iPod touch, Mac
Languages: English, German
Age rating: 4+
Released: December 21, 2017
Last updated: August 17, 2026
Developer: Markus Sigg

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