Mother MIDI

MIDI Chord & Arp Controller

$6.99 · Designed for iPad. Not verified for macOS.

Mother MIDI is a powerful MIDI chord generator and arpeggiator designed for iPhone and iPad. Instantly build rich chords, stack custom extensions, and run fluid arpeggios across hardware synths, music apps, and DAWs. Built for live performance and studio workflow, it brings effortless expression to any instrument that speaks MIDI. - Instant Chord Generation: Touch a root key, chord button, and extension to effortlessly voice full triads, 7ths, and custom extensions. - Versatile Arpeggiator: Control rates, patterns, and octaves, synced to your hardware or software MIDI clock. - Expressive Performance: Velocity-sensitive zones, vertical drag modulation, and pitch bend support. - Flexible Inversions: Split keys into root position, 1st, and 2nd inversions on the fly. - Universal Routing: Send MIDI seamlessly to hardware via cable, split-view apps on iPad, or your Mac DAW. - Zero Friction: One-time purchase. No ads, no subscriptions, and no in-app purchases. Note: Mother MIDI is a controller and produces no sound on its own

Ratings & Reviews

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- An internal MIDI clock for running the arpeggiator for if your synth can't send clock - In-app documentation

Version 1.1

The developer, Brian Holt, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Voice Control

      • Dark Interface

      • Sufficient Contrast

      • Reduced Motion

      • Audio Descriptions

    Information

    Seller
    Brian Holt
    Size
    7 MB
    Category
    Music
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Brian Holt
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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