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App Store Apps > Music > OR-1 MIDI Sequencer
OR-1 MIDI Sequencer icon

OR-1 MIDI Sequencer

1.2.1
Jori Eero Larres
5.00
8 reviews
Free

View on the App Store

About OR-1 MIDI Sequencer

OR-1 MIDI Sequencer is a music app developed by Jori Eero Larres.

What is the rating of OR-1 MIDI Sequencer?

OR-1 MIDI Sequencer is rated 5.00 out of 5 stars, based on 8 ratings.

Is OR-1 MIDI Sequencer free?

OR-1 MIDI Sequencer is free. The app size is 9.72 MB. The latest version available is 1.2.1. The last update was on October 20, 2026.

What are the requirements for OR-1 MIDI Sequencer?

The app has a content rating of Everyone. The app has been available on the App Store since August 2026.

OR-1 MIDI Sequencer is made and published by Jori Eero Larres. AppBrain is an independent app data site and isn't affiliated with Jori Eero Larres. The app name, icon and description belong to Jori Eero Larres and are shown as published on the App Store.

Description by Jori Eero Larres (from the App Store)
OR-1 makes no sound on its own. It's a generative MIDI Note-FX — the brain, not the sound source — that plays your own synths, samplers, and drum machines for you…

- Euclidean
- Polyrhythm
- Stochastic drift
- Modulators
- Scale quantizer with chord lock
- Temp and random for performance
- MIDI Learn
- 19 factory presets, including 13 rhythm kits for General MIDI drums
- Save your own presets
- Light and dark themes — tap the OR—1 logo
- Full-screen layout that grows to fill the 13-inch iPad and reflows to fit smaller iPads
Show more Show less

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Changelog of OR-1 MIDI Sequencer

No changelog data

Developer information for Jori Eero Larres

Jori Eero Larres

Address:

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App Store Rankings for OR-1 MIDI Sequencer

This app is not ranked

Technologies used by OR-1 MIDI Sequencer

Frequently asked questions about OR-1 MIDI Sequencer

Is OR-1 MIDI Sequencer free?

Yes. OR-1 MIDI Sequencer is free on the App Store.

Is OR-1 MIDI Sequencer still available?

Yes. OR-1 MIDI Sequencer is on the App Store, and the last update we saw was on October 20, 2026.

How large is OR-1 MIDI Sequencer?

OR-1 MIDI Sequencer is 9.72 MB.

Is OR-1 MIDI Sequencer suitable for children?

App Store rates the content of OR-1 MIDI Sequencer as suitable for everyone.

How do people rate OR-1 MIDI Sequencer?

OR-1 MIDI Sequencer scores 5.00 out of 5 stars, from 8 ratings on the App Store.

Who made OR-1 MIDI Sequencer?

OR-1 MIDI Sequencer was developed by Jori Eero Larres. It is listed in the music category on the App Store.

What are the best alternatives to OR-1 MIDI Sequencer?

People looking at OR-1 MIDI Sequencer also look at these music apps: Tessera Sequenced Resonator, ShinRonin, AD-202, FOAM: Physical Modeling Synth, AlchemDie - Alchemical Synth.

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