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H9 Control for iOS

Important: To get a new algorithm please download the latest version of H9 Control &  update the software on your H9 stompbox.

Instructions for Updating H9 Control & Your H9

1. Download & Update H9 Control

2. Update the Software on your H9

  1. Connect your H9 to H9 Control (via Bluetooth or USB Cable)
  2. Start H9 Control
  3. Click the Pedal icon at the bottom of the screen
  4. Click "Update Stompbox's Software"
  5. Select the latest release
  6. Click the "Install Software" button
  7. Do not disconnect or power down during the update. The update may take up to 12 minutes. 

3. New Algorithm

For H9 Max Owners

  1. In most cases, you should be able to add new algorithms by updating the software on the pedal & H9 Control.

If you participated in MaxOut:

  1. H9 Control, click on the Settings icon at the bottom of the screen
  2. Click the "Restore Purchases" button
  3. Click "Restore Purchases"

For H9 & H9 Core Owners

  1. In H9 Control, click on the Store icon at the bottom of the screen
  2. Click the H9 icon
  3. Select the Algorithm
    1. click Try to audition the algorithm, or
    2. click Buy to purchase


If you run into any problems with the updates, you can try the process again, check our support forums or send a message to support.

Release Notes

H9 Control v.3.7.4

  • Fixed renaming problem in the Preset Lists page
  • Updated a few factory presets

H9 Control v.3.7.3

  • Adds support for new iPhone 12 series
  • Fixes the issue where the app consumes battery in background

H9 Control v.3.7.2

  • Add support for running in the background mode
  • Enable the use of a 3rd party app to send MIDI messages to a connected H9 wirelessly via H9 Control

H9 Control v.3.7.1

  • Added a new algorithm TriceraChorus, a classic Tri-Chorus + MicroPitch detuning effect.
  • Bug fixes and user experience improvements

H9 Control v.3.6.1

  • Added a new algorithm Harmadillo, a flexible harmonic tremolo effect, and a customized control UI (only available on tablets)
  • Add "Share Preset" and "Import Preset" features, which can export/import any presets or preset lists to/from your Files app or to any apps that support files transfer. So now you can share presets between H9 Control and our iOS plug-ins.
  • Bug fixes and user experience improvements

H9 Control v.3.5.0

  • Added the NEW algorithm "HotSawz"
  • Optimized for the new iPhone XR, iPhone XS, and iPhone XS Max
  • Bug fixes and user experience improvements

H9 Control v.3.3.0

  • Added support for landscape orientation on all phones with brand new 10-knob control GUI
  • Fully supported iPhone X and other large-screen iPhones with better resolution and full-screen view
  • Brand new splash screens for iPhones & iPads
  • Updated GUI for the control screen for all phones and tablets
  • Bug fixes and various improvements