StepPolyArp - a real-time MIDI arpeggiator for controlling MIDI instruments and sequencers – has been updated to version 2.
Here’s what’s new in StepPolyArp 2.0:
- New MIDI engine improving accuracy
- Automatic chaining patterns
- Internal sound bank
- Adding a tap tempo
- Midi control input can be deactivated
- Improved undo manager
- The Midi output can be saved with the preset
- The speed can be modified from a popover menu
- A different Midi channel can be assigned to each line pattern and each controller
- iOS 6 support
StepPolyArp is $11.99 in the App Store.

Excellent update to an excellent amp. I only wish they’d let me export a midi file when I save my preset. As it is, I can just use a really clean sound and steal the midi from Melodyne, but it’d be nice to have a cleaner solution.
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Yes, I agree with kabletx….I also would like to export to a midi file. Now, with the internal sounds, this app is much more usefull. No need to use it with an external sound engine …now it actually a mobile app.
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It depends on what you want to do with it. There is no modulation possibilities as I have seen. The internal sounds might be ok to use to find a good melodi.
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i haven’t used this app yet – but how does it work?
I’m not sure I get how this fits into people’s setups.
Is there a demo of the new version of this anywhere?
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iMan, the app is a step sequencer, of course with MIDI capabilities.
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I understand how step sequencers work – but this is described as a MIDI arpeggiator. I’d assume that means that you play chords on something and it comes out of something else arpeggiated.
But – do you play the chords on the iPad or on a MIDI keyboard?
Do the arpeggios control soft synths, hardware synths or both?
If anybody owns this, can you explain how you’re using it?
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You can play on the iPad or on a keyboard.
The App will play internal sounds or send midi messages to other Apps, external gear, your computer, VSTs, etc. .
Check YouTube clips and it will be easier to understand. This is a great little App to jam.
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