StepPolyArp

Step Arpeggiator/Sequencer

Published by: Laurent Colson
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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)
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StepPolyArp FAQ

  • Is StepPolyArp free?

    StepPolyArp is not free (it costs 19.99), however it doesn't contain in-app purchases or subscriptions.

  • Is StepPolyArp legit?

    🤔 The StepPolyArp app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.

    Thanks for the vote

  • How much does StepPolyArp cost?

    The price of StepPolyArp is 19.99.

  • What is StepPolyArp revenue?

    To get estimated revenue of StepPolyArp app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating
App is not rated in Madagascar yet.
Ratings History

StepPolyArp Reviews

Good

Gramsterix on

United States

Versatile

Any way to use velocities from the controller?

AudioCookbook on

United States

This is an excellent arpeggiator! Unfortunately I see no way to use the velocities that are played on the controller versus translating them to the sequence of velocities stored with the arp pattern. Is there a way to bypass the velocities so that you can utilize your own performed dynamics like the way most hardware arpeggiators work?

It’s got potential, but…

Romcom86 on

United States

The functionality it’s there, but is there a way to add a sampling feature. Just to add different sounds and not just stock sounds. Just an idea

Wish it had real time velocity control

petemuzak on

United States

Love this app but I am finding myself wishing it had some realtime velocity control when I am playing chords into it. Would love to see capability in the next update. Thanks.

Aged. Now many apps costing MUCH less offer similar features.

Matreve on

United States

GOOD and EXCELLENT: ***Excellent stability, does not crash. ***Great overall control of the pattern / arpeggio. ***Well designed user interface. ***Excellent velocity adjustment panel with multi touch drawing feature. ***Very useful “beat sync phase” under tempo adjustments. NOT SO GOOD: ***No multi select for events/notes (only in the form of selecting all, every other, every fourth etc. but not specifically selected notes). This forces tedious event behavior adjustments which have to be done one by one on every event (in addition the boxes in the menu for selecting the events behavior are small). ***The individual rows can’t have pitches loaded as a preset (meaning you can’t quickly assign a scale to all rows’ pitches. ). ***No quick global transposition. Yes, you could transpose the pattern simply by pressing a different piano key but sometimes you want specific keys to be pressed (when using piano keys to base the arpeggio on), also you can transpose pitch of each row in the pattern individually but you can’t quickly do it to all the rows globally. ***Poor internal sounds, no user sounds. ***Confusing currently playing pattern indication (or a bug?). It’s the pattern that is due/next that is flashing, all other patterns are still. It would be easier to spot the current pattern if it was flashing or if there was another indication of the current pattern, such as display of the pattern’s number. ***“Grid edit” under the cog wheel in the top right corner above the pattern window not logical. Some controls apply to all the grid’s rows but “fill all steps” applies only to the main middle row. In addition, selecting “fill all steps” deletes all events in the other rows. ***Has a bug where sometimes changing the rows’ length has no effect on where the rows loop. ***After being opened in a background in a while as idle, when returning to the app it won’t plat the pattern / arp at all. A restart is needed (at least it remembers the state before the restart). *** Way overpriced

Amazing

nordical on

United States

Extremely well made, well thought out app for arpeggios and sequences. This thing handles the bread and butter while opening up possibilities I hadn't even thought of. Also, I had a support question and the response from the developer was really quick. You get what you pay for folks, and this one's well worth it.

Amazing

LJ Swype on

United States

I love sound design and mixing, but I am not a musician. By using midi song kits I have been able to find new arrangements to mix, but it can be an expensive endeavor. This app, along with Odesi (for chords, bass, and drum midi), let’s me generate pitch perfect midi tracks in seconds, which I can then voice with the synth of my choice and mix to taste in Cubasis. Thank you to the dev! 🙏🏾

Great Arpeggiator!

MIchael Trigoboff on

United States

Capable of doing just about anything you can think of. Integrates perfectly with Cubasis. There’s a bit of a learning curve to climb, but the results are worth it. Make sure to read the manual. Tech support is very quick via email from the author of the software.

Thank You!

Tyler Allen 86 on

United States

I can’t say enough about what this app has done for my music creation. I truly owe the developer a HUGE thank you! This was the missing piece. I’m a video game developer, and I was desperately looking for a workflow that could deliver the sound/results I needed. If I could request one thing: A Mac Audio Unit, so I could use StepPoly with Logic Pro X (& Sforzando). AUM + StepPoly + bs-16i + ProQ2 = Workflow

Loving it.

bk2600 on

United States

Multiple instances make it so much more powerful than the original standalone. Having problems feeding transpose note triggers from Rozeta Cells. Arp starts half a quarter note late. Also, A clock divider would be clutch.

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