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 761–780 of 1,000 ranked alternatives.

  1. Rousseau MusicPad app icon

    Rousseau MusicPad

    Norman Schmidt

    Understand and use numbered musical notation.

    The app allows users to input numbers or notes using a seven-note keypad that sounds like an Italian harpsichord. Melodies can be imported from iReal Pro and exported to other applications that support Midi or MusicXML.

    ★ 3.24 ratingsMusicFreeData updated 2026-09-18
  2. JAX CHROMATIC : Compander app icon

    JAX CHROMATIC : Compander

    Jens Guell

    Test audio units with sample sounds

    Process audio with real-time spectral dynamics processing. Split audio streams into frequency bands. Adjust compression and expansion settings. Test with random sound samples. Distribute embedded units through a host application.

    ★ 4.97 ratingsMusic$14.99Data updated 2026-09-06
  3. MidiBus app icon

    MidiBus

    Soft Audio

    MIDI clock sync generator and monitor.

    The app generates and monitors MIDI clock sync. It allows users to select BPM, time signature, and MIDI destinations for synchronized clock signals.

    ★ 5.02 ratingsMusic$2.99Data updated 2026-10-14
  4. Substitute Organist Service app icon

    Substitute Organist Service

    Church Music Solutions, Inc.

    Organ music for church congregations.

    The app connects to a church's MIDI-capable organ to lead congregational song. A MIDI adapter is required for pipe or digital organs.

    ★ 4.56 ratingsMusicFreeData updated 2026-11-02
  5. AD 480 basic - Studio Reverb app icon

    AD 480 basic - Studio Reverb

    Thomas Fiedler

    Pro quality studio reverb effect.

    The app provides a professional studio reverb effect with variable room size and acoustic spaces. It supports Audiobus, Inter-app Audio, and external audio interfaces for extensive sound shaping.

    ★ 2.33 ratingsMusic$3.99Data updated 2026-10-16
  6. ChordMapMidi app icon

    ChordMapMidi

    Malcolm Mugglin

    Explore chords and progressions easily

    The app enables users to explore chords and progressions in major and minor keys. ChordMapMidi functions as a MIDI controller, sending note information to other synthesizer applications.

    ★ 5.05 ratingsMusic$3.99Data updated 2026-09-30

How we rank alternatives

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