Kai Aras has released MIDIRack available at the intro price of $7.99, increasing to $14.99 after the promotion. There are also optional in-app purchases to pick up. The offer ends August 31st.
MIDIRack is a modular MIDI toolkit and performance environment for iPad created by veteran iOS audio developer Kai Aras.
Whether you’re looking for a customizable touch surface to control Logic, Live, or Bitwig, or you want to build generative, self-playing compositions on a visual node graph, MIDIRack bridges the gap between touch performance and deep MIDI architecture.
At its core, MIDIRack is a dual-layer tool designed for modern music production. It operates as a standalone app, an AUv3 plugin inside host apps like AUM, Drambo, or Logic Pro for iPad, or as an external MIDI controller sending data via USB (IDAM) or Bluetooth MIDI to your desktop or hardware synths.
The app breaks down into two distinct workflow layers:
- The Performance Surface (Base App): A snapping grid where you drag and drop customizable interface modules—keyboards, MPE ribbons, drum pads, faders, knobs, and sequencers.
- The MIDI Graph (Unlockable Canvas): A modular visual processing system that lets you route MIDI signals between nodes, apply algorithmic processing (like generative music models, arpeggiators, and scale quantizers), and trigger built-in sound engines.
Features include:
- KB-1 Expressive Keyboard Suite: Build custom touch surfaces with MPE (MIDI Polyphonic Expression) support, including Seaboard ribbons, scale-locked keyboards, diatonic chord pads, and MPE string grids.
- Multi-Engine Sequencer: Lay down patterns using drum grids, melody/chord lanes, step CC sequences, and knob-per-step analog machines with microtiming and probability triggers.
- Modular Visual MIDI Graph: Route MIDI visually through 60+ processing nodes. Build generative rigs with Turing machines, Conway’s Game of Life, and Markov chains, or play directly with built-in synth and sampler engines.
- DAW & Hardware Integration: Connect to Ableton Live, Bitwig, or Logic over USB (via IDAM) or Bluetooth MIDI—no drivers required.
For more information on MIDIRack, click here:
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