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SStepPolyArp-app logo

StepPolyArp-app

App Store·Design & Creative·🇺🇸

StepPolyArp is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and sequencer for iOS. It functions as both a standalone app and AUv3 MIDI effect, supporting advanced pattern creation, MIDI sync, and preset management. Ideal for musicians and producers seeking creative MIDI tools.

Paid
WebiOS
S
StepPolyArp-app preview
StepPolyArp-app screenshot 2StepPolyArp-app screenshot 3StepPolyArp-app screenshot 4StepPolyArp-app screenshot 5StepPolyArp-app screenshot 6
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Overview

8 features

In the Design & Creative space, StepPolyArp-app takes a focused approach. It enables musicians to create complex polyphonic and polyrhythmic MIDI patterns for music production and live performance. It is built as a consumer product for musicians and music producers using iOS devices. StepPolyArp-app is a paid product starting at $15. StepPolyArp-app is available on the web and iOS.

It is developed by Laurent Colson (United States), and the product first shipped in 2018. Key capabilities include step sequencer, arpeggiator, and MIDI effect.

  • ✓Step sequencer
  • ✓Arpeggiator
  • ✓MIDI effect
  • ✓AUv3 plugin
  • ✓Preset management
  • ✓Polyrhythmic patterns
  • ✓MIDI sync
  • ✓Internal sound bank

Tags

midi-arpeggiatorstep-sequencermusic-productionau-plugin

Built with & integrations

Runs on
BrowseriOS

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Store-verified publisher

Recent events

Latest indexed changes and source events

  1. IndexedJun 25, 4:16 PM

    Listing verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about StepPolyArp-app

What does StepPolyArp-app do?
StepPolyArp-app enables musicians to create complex polyphonic and polyrhythmic MIDI patterns for music production and live performance. It is catalogued under Design & Creative on PulseGate.
Who is StepPolyArp-app for?
StepPolyArp-app is a consumer product built for musicians and music producers using iOS devices.
How much does StepPolyArp-app cost?
Paid plans start at $15.
What platforms does StepPolyArp-app run on?
StepPolyArp-app runs on the web and iOS.
Is StepPolyArp-app still maintained?
PulseGate's liveness checks currently classify StepPolyArp-app as active.
What are alternatives to StepPolyArp-app?
Similar tools tracked by PulseGate include STEPS - MIDI Sequencer-app, MidiStep, and PolyPipe.STEPS - MIDI Sequencer-appMidiStepPolyPipe
Who makes StepPolyArp-app?
StepPolyArp-app is developed by Laurent Colson, based in the United States.
When did StepPolyArp-app launch?
StepPolyArp-app first shipped in 2018.

At a glance

Platforms
Mobile
Languages
English
First seen
Jun 25, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
musicians and music producers using iOS devices
Model
B2C
Solves
Enables musicians to create complex polyphonic and polyrhythmic MIDI patterns for music production and live performance.

Developer

🇺🇸Laurent Colson

Live coverage

Confidence
High · 91
Indexed
Jun 25, 2026
Lifecycle
Alive
Activity
Active
First seen
Jun 2026
Last seen
1mo ago
Identity audit (9)
Entity ID
cmqtpimuq06r412647j4haoni
Slug
steppolyarp-apple-com
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 25, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Aug 1, 2026
Canonical URL
https://apps.apple.com/nl/app/steppolyarp/id1361313588

Similar apps

Other apps tracked under the same category.

  • STEPS - MIDI Sequencer-app
    apple.com
  • MidiStep
    apple.com
  • PolyPipe
    apple.com
  • MES Arpeggiator
    apple.com
  • ChaosArp 2
    apple.com
  • OCTACHRON MIDI Drum Sequencer
    apple.com