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Category: MIDI Effects Rank in Category:

App History

Oct 13, 2020
Version 1.1.8
Sep 29, 2020
Version 1.1.7
Sep 23, 2020
Version 1.1.6
Nov 19, 2019
Version 1.1.5
Oct 25, 2019
Version 1.1.4
Oct 04, 2019
Version 1.1.3
Aug 14, 2019
Version 1.1.2
Apr 18, 2019
Version 1.1.1
Nov 30, 2018
Version 1.1
Nov 20, 2018
New App: $6.99, v1.0
Nov 16, 2018

Other apps by Laurent Colson

App Store Description:

"QuantiChord" is a MIDI effect that generates chords from incoming notes and quantizes the results to a pre-defined scale. It can be used as a standalone application or as an Audio Unit MIDI effect plug-in.

The chord is generated by adding up to 8 transposed notes to the original note played. Once the chord is generated, it is quantized to limit it to the selected output scale.

The application supports full internal and external MIDI connections for input and output. An internal sound bank is included.

The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host must support the Audio Unit MIDI effect format.


• Standalone application and Audio Unit MIDI effect plug-in
• 8 transposing sliders from -24 to +24 semi-tones (+/- 2 octaves)
• 1 global transposer slider
• Scale quantizer
• Lockable parameter protection when switching presets
• Resizable keyboard
• Multitasking
• Sample-accurate timing
• Internal sound bank
• Receiving MIDI from external MIDI sources
• Internal routing of inputs, outputs
• Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
• Random creation of presets
• Presets browser
• Full support of "Split View" and "Slide Over"

Supported MIDI connections:

• Virtual "Core MIDI" connections between applications
• iOS compatible MIDI interfaces
• MIDI over Wifi



What's new in v1.1.8

• Added support for iOS and iPadOS 14
• Minor bugs fixed

iPad Screenshots:

iPhone Screenshots:

Repulse the Monkey have used this app on a track from our forthcoming album, ‘Serendipity Doo-Dah’ and got a result we found disturbing (in a good way). QuantiChord produced sounds like we’d never heard.
November 19, 2018  | person Zen

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