Apps Like StepPolyArp for iPhone and iPad
Generate melodic patterns from MIDI input
Create and save unlimited presets with 16 patterns each. Adjust polyphonic and polyrhythmic sequences. Sync presets to iCloud. Use as a standalone or AUv3 MIDI effect. Generate melodic patterns from played notes or chords.
StepPolyArp screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


KB-1 Keyboard Suite
Kai Aras
Play MIDI keyboards and control instruments
Play multiple instruments simultaneously using MIDI Polyphonic Expression. Access 8 layouts with multiple rows and octaves. Choose from 15+ scales. Use a powerful arpeggiator. Operate as a standalone device with multiple keyboards.

Mela – AUv3: Synth, FX, MIDI
Nikolozi Meladze
Build custom synths and audio effects
Create custom polyphonic synthesizers and audio effects using modular components. Arrange modules on lanes to process audio signals. Build complex processors. Run as a standalone or AUv3 plug-in in DAWs like Logic Pro and Cubasis.

ChordPolyPad
Laurent Colson
Play chords, generate sets, customize pads
Create and customize chord sets using an internal library or random generation. Play chords with 8 groups of 16 pads or 2 groups of 64 pads. Generate MIDI controls on pad axes. Connect via MIDI and use as a standalone or AUv3 plug-in.


Poly 2
James Milton
Create and sequence evolving melodies
Create evolving melodies and patterns using polyrhythms. nd control up to 8 sounds simultaneously. Store 16 project configurations. Use a sampler with envelopes, filters, loop crossfading, LFO, and more.

DrumComputer - Synthetic Beats
Sugar Bytes GmbH
Create drum patterns and sequences
Create and customize drum kits with samples, presets, and modulation options. Sequence patterns with intuitive editing tools. Import custom samples and use intelligent randomizers for new drum ideas. Export and share drum sequences.

Neon
Aaron Meyers
Sequence patterns and chain sequences
Create and sequence music using a step sequencer with generative features. Chain patterns with the Metasequencer. Use Modifier system for dynamic changes. Switch states via MIDI Program Changes. Adjust UI for different window sizes.

PolyBud Polyrhythmic Sequencer
Cem Olcay
Sequence rhythms and edit MIDI tracks
Create and edit MIDI sequences with multiple note and CC tracks. Adjust velocity, gate, and probability settings. Set different step lengths for rhythmic variations. Assign unique MIDI channels to tracks. Control track rates for varied timing.




Vatanator Pro
BACKPULLVER SOFTWARE LTD OOD
Sequence tracks and compose music
Create and edit music with a multi-track sequencer. Record and adjust patterns in real-time with quantization and undo options. Use an integrated drum sampler with individual effects and XY pads. Load external AUv3 instruments and effects.

polybeat
Corne Driesprong
Sequence rhythms and export patterns
Create and edit complex rhythmic patterns with independent sequence lengths for each drum voice. Generate polyrhythms and polymeters. Export sequences for use in AUv3 hosts or external drum machines.

Lo-Fi Tape
Weston Fletcher
Record and edit MIDI sequences
Record and edit audio with MIDI compatibility and learn support. Access factory presets for strings, organs, pianos, and synths. Use four effect sections including reverb and chorus. Adjust stereo width, mono switch, and note hold.

Factory - Modular Synthesizer
Sugar Bytes GmbH
Create and shape complex sounds
Create and manipulate complex sounds using analog-style oscillators, filters, and wavetable synthesis. Modify signals with a 3-FX-Chain and dynamic signal flow. Adjust sounds using a Morph crossfader for smooth transitions.


miRack
MIFKI PTY LTD
Build custom synths and effects
Create and customize synthesizers using modular components. Build audio and MIDI effects. Control external apps and hardware. Explore modular synthesis concepts. Perform live with customizable setups. Sync with macOS via Audio Unit and VST plugins.

Ruismaker Noir
Bram Bos
Sequence rhythms and bass with step sequencer
Create rhythmic patterns with a step sequencer. Generate synthesized drums and bass sounds. Adjust pitch and velocity modulation. Blend multiple sounds into cohesive sequences. Export and share compositions.

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