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StepPolyArp
Step Arpeggiator/Sequencer
Version History
Update Comparison
App Status
  • Earliest Version Launch Date Globally
    10/13/2020
  • Latest Version
    4.5.1
  • Time Since Latest Version
    260days5Hour
  • Total Updated Versions (last 1 year)
    1

Version Timeline

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Version History

  • Version4.5.1
    10/28/2023
    Size:29.15M

    Step Arpeggiator/Sequencer

    Update Log

    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an AUv3 MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The AUv3 MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit v3 (AUv3) MIDI effect format.
    Hosts supporting AUv3 MIDI effect: Logic Pro, Cubasis, Beatmaker, AUM, Audiobus, NanoStudio, Auria Pro, apeMatrix.
    Features:
    • Standalone application and AUv3 MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "iCloud Drive" support in "Files" app on iOS and in "Finder" on macOS
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • Any compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)

  • Version4.5
    05/30/2023
    Size:29.13M

    Step Arpeggiator/Sequencer

    Update Log

    • Compatibility with Logic for iPad
    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an AUv3 MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The AUv3 MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit v3 (AUv3) MIDI effect format.
    Hosts supporting AUv3 MIDI effect: Logic Pro, Cubasis, Beatmaker, AUM, Audiobus, NanoStudio, Auria Pro, apeMatrix.
    Features:
    • Standalone application and AUv3 MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "iCloud Drive" support in "Files" app on iOS and in "Finder" on macOS
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • Any compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)

  • Version4.4
    09/05/2022
    Size:27.70M

    Step Arpeggiator/Sequencer

    Update Log

    • Added automation parameters to the AUv3 plug-in
    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an AUv3 MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The AUv3 MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit v3 (AUv3) MIDI effect format.
    Hosts supporting AUv3 MIDI effect: Cubasis, Beatmaker, AUM, Audiobus, NanoStudio, Auria Pro, apeMatrix.
    Features:
    • Standalone application and AUv3 MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "iCloud Drive" support in "Files" app on iOS and in "Finder" on macOS
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • Any compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)

  • Version4.3.5
    09/24/2021
    Size:28.20M

    Step Arpeggiator / Sequencer

    Update Log

    • Added support for iOS and iPadOS 15
    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit MIDI effect format.
    Features:
    • Standalone application and Audio Unit MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "Files" application support
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • iOS compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)
    Documentation:
    https://dev.laurentcolson.com/medias/steppolyarp/StepPolyArp-Unit.pdf

  • Version4.3.4
    12/16/2020
    Size:28.20M

    Step Arpeggiator / Sequencer

    Update Log

    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit MIDI effect format.
    Features:
    • Standalone application and Audio Unit MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "Files" application support
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • iOS compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)
    Documentation:
    https://dev.laurentcolson.com/medias/steppolyarp/StepPolyArp-Unit.pdf

  • Version4.3.3
    12/10/2020
    Size:28.20M

    Step Arpeggiator / Sequencer

    Update Log

    • Fixed an issue under iOS 14.2 from Core MIDI

    Screenshots
    App Description

    "StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit MIDI effect format.
    Features:
    • Standalone application and Audio Unit MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "Files" application support
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • iOS compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)
    Documentation:
    https://dev.laurentcolson.com/medias/steppolyarp/StepPolyArp-Unit.pdf

  • Version4.3.2
    12/01/2020
    Size:28.20M

    Step Arpeggiator / Sequencer

    Update Log

    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit MIDI effect format.
    Features:
    • Standalone application and Audio Unit MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "Files" application support
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • iOS compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)
    Documentation:
    https://dev.laurentcolson.com/medias/steppolyarp/StepPolyArp-Unit.pdf

  • Version4.3.1
    10/13/2020
    Size:28.20M

    Step Arpeggiator / Sequencer

    Update Log

    • Possibility to share presets by "AirDrop", "Mail", "Message", and other available services
    • Minor bugs fixed

    Screenshots
    App Description

    "StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
    The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
    Unlimited presets can be saved on a local device and synchronized to iCloud. Each preset contains 16 patterns, 5 customizable polyrhythmic step controllers, and a 32 steps event matrix with 11 polyphonic and polyrhythmic lines driving the arpeggiator engine.
    The application supports full internal and external MIDI connections for input and output, Ableton Link sync, and MIDI clock source sync. An internal sound bank is included.
    The Audio Unit MIDI effect plug-in supports multiple instances. A compatible host is required to run the plug-in. The host needs to support the Audio Unit MIDI effect format.
    Features:
    • Standalone application and Audio Unit MIDI effect plug-in
    • Arpeggiator and step sequencer mode
    • 1 to 32 steps programmable matrix
    • 11 configurable transposition lines
    • Polyrhythmic lines
    • 16 patterns by preset
    • Automatic chaining patterns
    • 8 octaves resizable keyboard
    • Multitasking
    • Sample-accurate timing
    • Internal sound bank
    • Tap tempo
    • Receiving MIDI from external MIDI sources
    • Receiving external MIDI sync (MIDI clock)
    • Ableton Link support
    • Internal routing of inputs, outputs, and MIDI sync
    • Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
    • Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
    • Customizable steps controller MIDI setup
    • Arpeggiator and sequencer conform to the selected scale
    • 6 arpeggiator modes
    • 1 random mode
    • 1 chord mode
    • Random patterns creation
    • Presets manager
    • "Program Change" support
    • Preset sharing support by "AirDrop", "Mail", "Message" and other available services
    • Native iCloud support
    • "Files" application support
    • Full support of "Split View" and "Slide Over"
    • 128 Undo / Redo levels
    • Copy and paste
    • Lockable keyboard (latch mode)
    Supported MIDI connections:
    • Virtual "Core MIDI" connections between applications
    • iOS compatible MIDI interface
    • MIDI over Wifi
    • MIDI over Bluetooth
    • Ableton Link (sync and transport)
    Documentation:
    https://dev.laurentcolson.com/medias/steppolyarp/StepPolyArp-Unit.pdf