IMPSY - Intelligent MIDI1.2 - App Store
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Publisher Description
Jam with an AI MIDI partner on iPad and iPhone.
IMPSY listens to what you play and improvises musical responses. Load it as an AUv3 MIDI Processor in AUM, AudioBus, Cubasis or Logic Pro for iPad, play it from a USB or Bluetooth controller (or the on-screen faders), and route its output to any instrument app. IMPSY also runs on its own: it appears as Core MIDI virtual ports (IMPSY In / IMPSY Out) and connects directly to a plugged-in controller, so you can play it without a DAW.
How it works
IMPSY runs a Mixture Density Recurrent Neural Network (MDRNN) on-device. Every note, control change or pitch-bend you send becomes input to the model, which predicts what comes next, including the timing of the response. Shape the conversation with:
. Threshold: how long IMPSY waits between your input and its reply
. Sigma Temperature: randomness of pitch and control values
. Pi Temperature: randomness of which musical "idea" the model picks
. Timescale: speeds up or slows down the response
. MIDI Thru: passes your own playing through to the output alongside IMPSY's
Connect anything
. Map each model dimension to any MIDI message (notes, CCs or pitch-bend) on any channel, independently for input and output
. Connect a controller directly, or use the always-on IMPSY In / IMPSY Out virtual ports
. Import and export your mappings as TOML, compatible with the IMPSY Python toolkit
Custom models
IMPSY ships with a default 9-dimensional model trained for general musical interaction, but you can load any .tflite model trained with the open-source IMPSY research toolkit: synths, drum machines, lighting rigs, or anything that speaks MIDI.
Accessibility
IMPSY is built to work with VoiceOver and Dynamic Type. Every control is labelled, the sliders are adjustable by VoiceOver, and status shows as text, not colour alone. Full statement: charlesmartin.au/impsy-auv3/accessibility.html
Compatibility
. AUv3 MIDI Processor, no audio I/O
. Hosts in AUM, AudioBus, Cubasis and Logic Pro for iPad, or any other AUv3 host that supports midi processors.
. Also runs standalone with Core MIDI virtual ports and direct device connection
. Requires iOS 17
. MIDI stays on-device. No network, no telemetry
Version History Note On inputs now respond to any note on the mapped channel and use its pitch as the value, matching IMPSY. Previously only middle C registered. 1.2 Sep 25 1.0 Jun 11
About IMPSY - Intelligent MIDI
The company that develops IMPSY - Intelligent MIDI is Charles Martin. The latest version released by its developer is 1.2.
To install IMPSY - Intelligent MIDI on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the IMPSY - Intelligent MIDI as malware if the download link is broken.
How to install IMPSY - Intelligent MIDI on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the IMPSY - Intelligent MIDI is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After IMPSY - Intelligent MIDI is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.2
posted on 2026-10-14
Version History Note On inputs now respond to any note on the mapped channel and use its pitch as the value, matching IMPSY. Previously only middle C registered. 1.2 Sep 25 1.0 Jun 11
version 1.2
posted on 2026-09-29
Version History Note On inputs now respond to any note on the mapped channel and use its pitch as the value, matching IMPSY. Previously only middle C registered. 1.2 3d ago 1.0 Jun 11
version -
posted on 2026-09-22
Disclaimer
Official App Store Link
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