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 261–280 of 1,000 ranked alternatives.
RingsFX
Limelight Software
Excite resonators with MIDI input
Allows users to process audio using three synthesis methods: Modal Synthesis, Sympathetic Strings, and Inharmonic Strings. Users can excite the resonator via MIDI input, noise, or external audio.
SynthStation
Akai Professional
Transform iPhone into music studio
The app provides three virtual-analog synthesizers with three oscillators each. It includes over 50 drum kits, a built-in sequencer, and an arpeggiator with preset patterns for creating music.
WOW Filterbox
Sugar Bytes GmbH
Stream audio and apply filters
Apply audio filters with 21 types including lowpass, bandpass, and comb. Adjust filter slopes up to 48 dB using SVF, diode ladder, and transistor ladder. Add distortions and modulations for sound effects. Output processed audio files.
midiLFOs - midi modulator
Arthur Kerns
Send modulation to music apps
Sends modulation control data to music apps and synthesizers. It features four independent LFOs with seven-bit CC messages. Users can adjust waveform shapes and modulate amplitude and rate between LFOs.
VAPolyMkII
Ryo Togawa
Stream audio and control effects
A synthesizer with 16 voice polyphonic capabilities. Users can create sounds using two oscillators per voice, adjust ADSR envelopes, apply filters, and control amplification. Includes effects, a sequencer, and audio visualization.
Link to MIDI
Alexander Randon
Sync devices with sessions
Syncs devices with Ableton for clock sync. Enables quantization and offset control for precise timing. Connects via session to enable Clock Sync on compatible hardware.
PolyPhase
Marcos Kohler
Generate melodies and copy to follower tracks
Create and manipulate melodies using a generative sequencer. Generate interwoven melodies with phase offsets and probability settings. Manually draw notes or disable generation. Send MIDI to external devices or use an included wavetable synthesizer.
Thafknar – Record and Reverb
Markus Sigg
Record, play, and add reverb.
The app records and plays audio, adding reverb to files and streams. It supports Audiobus, IAA, and AUv3 extensions for real-time reverberation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.