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StepPolyArp - Midi Step Polyphonic Arpeggiator

StepPolyArp - Midi Step Polyphonic Arpeggiator



StepPolyArp is a real-time Midi arpeggiator to control Midi instruments, sequencers like Logic, Cubase, Live, and all other Midi sequencers, or even other virtual instruments installed on the same iPad. The arpeggiator can automatically generate melodic patterns from notes or chords played in real time.

Although, StepPolyArp is specially designed to operate in Midi, it has own internal sounds bank to use it independently.

Rated "Killer Application" by App4iDevices.


• 1 to 32 steps programmable matrix

• 16 patterns by preset

• Automatic chaining patterns

• 11 configurable transposition lines

• Features copy and paste

• 8 octaves virtual keyboard

• Multitasking

• Internal sound bank

• Tap tempo

• Receiving Midi notes and control from external devices

• External Midi sync (Midi Clock)

• Midi over wifi latency compensation

• 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 managing multitasking on the same device

• Velocity, modulation, pan, volume, aftertouch and pitch bend step controller

• Customizable step controller Midi datas

• The arpeggiator and keyboard fit the selected scale

• 6 arpeggiator modes

• 1 random mode

• 1 chord mode

• Unlimited number of saves

• Random patterns creation

• Presets manager

• iCloud and iCloud Drive support

• Presets shared between computer and iPad using iTunes 9.1 or later

• 128 Undo/Redo levels

• Lockable keyboard (latch mode)

Supported Midi connections:

• Midi over Bluetooth

• Midi Wifi Network (RTP Midi)

• Apple USB camera connection kit

• Any Core Midi compatible interface

Inter Applications connections:

• Ableton Link (sync)

• Apple Inter-App Audio connection (Midi, audio, sync, transport control)

• Audiobus support (audio, transport control)


• An iPad with iOS v5.1.1 or later



What's New in Version 2.6

• Ableton Link integration
• Optimized for iPad Pro
• Improved Inter-App Audio sync

iPad Screenshots

StepPolyArp - Midi Step Polyphonic Arpeggiator iPad Screenshot 1
StepPolyArp - Midi Step Polyphonic Arpeggiator iPad Screenshot 2

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Rated 5/5 based on 2 customer reviews.


5/5 stars

great app!

Dev added all of the features that users were requesting and now, with version 1.3 it is perfect! Thank you for this great app! Works well and easy to use!

5/5 stars

Best Step Sequencer on the iPad Even Better

With the essential improvements to version 1.3, StepPolyArp is now a superb step sequencer. There is nothing else that even comes close on the iPad. Bravo!


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The information may be outdated (2017-03-08 18:17:46). For actual information go to iTunes

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