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MIDI Patch

MIDI Patch

by Stephane Villeneuve

3 ratings
2 reviews
🎵 Music
$9.99

Details

  • Released
  • Updated
  • May 12, 2024
  • May 10, 2026

Features

Developer

Stephane Villeneuve
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About

This app acts as a MIDI message translator, converting incoming PC, CC, or Note On messages from Bluetooth devices into SysEx messages. It allows users to map controller inputs to control various MIDI-enabled hardware, such as guitar amps, by defining custom patches and message translations.

✓MIDI message translation (PC/CC/Note On to SysEx)
✓Unlimited user-defined patches
✓Customizable inbound and outbound message mapping
✓Value translation options (toggle, min/max)
✓User-defined devices and functions
✓Automatic patch saving and file backup/restore
✓Bluetooth MIDI device discovery
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What's New in MIDI Patch

2.5

May 10, 2026

- Update of MIDI library to most recent version for additional stability and performance improvements. - Addition of MIDI Channels for Inbound MIDI filtering. Selecting ALL Channels mimics previous behaviour where all messages from any channel are processed. But users now have the ability to select individual channels that MIDI Patch will react to (providing additional control over what gets processed or ignored by MIDI Patch). Only selected Channels will be processed.

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User reviews

Most RecentHighest RatedLowest Rated

Terrific control app for Katana GO!

Many of the modern amp modeler devices sound really good out of the box… however it is often difficult if not impossible to tweak the settings in a real gig performance situation:-0
Mid Patch is a game changer for me for gaining control of be very important internal parameters of my many boss Guitar amp modeler products!!
—-It has really given me terrific insight, and control into my excellent sounding Boss Katana GO!

Thanks for a greatly needed addition to the Katana line of products!!
Al
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SolidBodySoundSolidBodySound

Great tool!

Such a useful tool. Patches can be created to allow midi commands to create actions. For example, I use it with a foot pedal to change sounds and FX in the Boss Katana GO. Excellent’
Paulb4333Paulb4333

Response from developer

Thank you Paul for such a positive review, really happy you find the app useful !

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FAQ

What does MIDI Patch do?

MIDI Patch acts as a relay and translator for MIDI messages. It listens for incoming PC, CC, or Note On messages from Bluetooth MIDI devices and converts them into SysEx MIDI messages to send to other connected devices.

What kind of devices can I control with MIDI Patch?

You can control any MIDI-enabled device or app that expects SysEx messages. The app includes specific configurations for certain Boss amps and Valeton pedals, but can be set up for any MIDI device.

How does MIDI Patch handle incoming MIDI messages?

MIDI Patch can listen for PC, CC, or Note On messages. Each patch you define specifies which inbound message to listen for and how to translate it into an outbound SysEx message.

Can I create my own custom MIDI mappings in MIDI Patch?

Yes, you can create unlimited user-defined patches. This includes specifying the inbound message, the target device and function, and how the value logic should be applied, including options like Toggle or Minimum/Maximum clamping.

Does MIDI Patch have ads?

No, MIDI Patch does not contain advertisements. It is a paid application that provides its full functionality without interruptions from ads.

What is the price of MIDI Patch?

MIDI Patch is available for a one-time purchase of $9.99. This price grants you access to all features and future updates.

On which devices can I use MIDI Patch?

MIDI Patch is compatible with iPhone, iPad, and iPod devices. It is designed to work across Apple's mobile ecosystem.

How often is MIDI Patch updated?

The latest version of MIDI Patch is 2.4, last updated on January 10, 2026. While this indicates a recent update, the developer has not specified a regular update frequency.