StepPolyArp app icon

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.

by Laurent Colson★ 4.848 ratingsMusic$19.99Data updated 2026-09-14

StepPolyArp screenshots

Ranked alternatives

Showing 541–560 of 1,000 ranked alternatives.

  1. sir Sampleton app icon

    sir Sampleton

    Paul Slocum

    Record sounds, play back with piano keys

    Record sounds via microphone and play them on dual piano keyboards with a rhythm machine. Create complex musical arrangements using voice, instrument, and environmental samples. Export and share audio files. Supports Audiobus and MIDI connectivity.

    ★ 3.347 ratingsMusic$0.99Data updated 2026-09-08
  1. Helium AUv3 MIDI Sequencer app icon

    Helium AUv3 MIDI Sequencer

    Limelight Software

    Sequence tracks and manage clips

    Plugin for AUM. Supports 16 tracks with unlimited length and 16 output ports. Import and manage clips via Media Bay. Drag and drop clips to build songs. Direct output to multiple channels.

    ★ 4.450 ratingsMusic$14.99Data updated 2026-09-06
  2. microTERA app icon

    microTERA

    Harry Gohs

    Dynamic spectra creation with unique sounds.

    The app uses waveshaping synthesis to create unique sounds by altering spectra with sound amplitude. It offers a randomizer for generating new sound patches and includes multiple oscillators, envelopes, and effects.

    ★ 4.99 ratingsMusic$1.99Data updated 2026-10-28
  3. KeyStage Lite app icon

    KeyStage Lite

    Ali Gokturk

    Control instruments with MIDI controllers

    Allows users to control multiple hardware and software instruments via MIDI controllers. Organize projects into sections for different song parts. Adjust instrument sounds and parameters within sections.

    ★ 3.98 ratingsMusicFreeData updated 2026-09-16
  4. OODA — Portable MIDI Sequencer app icon

    OODA — Portable MIDI Sequencer

    Ryan Robinson

    Sequence steps with conditional wormholes

    Create and edit sequences with step-based patterns. Connect steps using conditional wormholes for structured or random variation. Adjust melodies in real time without affecting the groove. Sync with external devices for live performance.

    ★ 4.839 ratingsMusic$8.99Data updated 2026-09-06
  5. SWAM Trumpet app icon

    SWAM Trumpet

    Audio Modeling Srl

    Play with MIDI devices

    Play virtual with MIDI controllers or keyboards. Adjust articulation, dynamics, and breath effects. Use Room Simulator "Ambiente" for spatial audio. Load and save presets. Export audio in multiple formats.

    ★ 4.623 ratingsMusic$29.99Data updated 2026-10-23
  6. WoodStepper app icon

    WoodStepper

    Woodman's Immaculate Maple Syrup Studio

    ★ 4.312 ratingsMusic$10.99Data updated 2026-09-18

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.