ButterSynth app icon

Apps Like ButterSynth for iPhone and iPad

by Arto Vaarala★ 4.062 ratingsMusic$19.99Data updated 2026-09-22

ButterSynth screenshots

Ranked alternatives

Showing 461–480 of 1,000 ranked alternatives.

  1. auSCOPE X app icon

    auSCOPE X

    Nemesis Technology, Inc.

    See audio waveforms in real time

    View stereo audio waveforms in real time with two-channel design and pixel-accurate resolution. Capture audio signals using a sophisticated trigger system. Monitor waveforms with minimal latency between sound input and visual display.

    ★ 4.212 ratingsMusic$5.99Data updated 2026-09-29
  2. MF-102S Ring Modulator app icon

    MF-102S Ring Modulator

    Moog Music Inc.

    Modulate audio with effect

    Modify audio signals using modulation, voltage-controlled carrier oscillation, and dual-waveform LFO modulation. Adjust frequency and depth parameters. Connect to MIDI devices and integrate with DAWs for real-time effects processing.

    ★ 5.08 ratingsMusic$14.99Data updated 2026-09-06
  3. Synth app icon

    Synth

    Retronyms Inc

    Create sounds with the microphone.

    The app is a polyphonic synthesizer for iPad. Users can create sounds using the microphone and connect to other devices within Tabletop for iPad.

    ★ 3.221 ratingsMusic$0.99Data updated 2026-09-13
  1. Crystals Harmonizer® app icon

    Crystals Harmonizer®

    Eventide Inc.

    Create pitched delays and reverbs

    Create pitched delays and reverbs using twin reverse pitch shifters. Manipulate granular delay length and pitch. Add depth to synths, guitar, and vocals. Includes reverse delays and reverb effects for sound design and solos.

    ★ 4.620 ratingsMusic$14.99Data updated 2026-09-23
  2. Lorentz - AUv3 Plug-in Synth app icon

    Lorentz - AUv3 Plug-in Synth

    iceWorks, Inc.

    Create and shape analog-style tones

    Create and manipulate analog-style sounds using a resonator. Adjust synthesis parameters for tonal variation. Explore experimental sound design with familiar analog tones. Save and export custom sound presets.

    ★ 4.824 ratingsMusic$8.00Data updated 2026-09-10
  3. DR-OM app icon

    DR-OM

    Shawn Wallace

    Virtual synthesizer simulates rare lab device

    The app simulates three versions of a hackable virtual synthesizer. Each unit has a unique sound due to component variations and wiring.

    ★ 4.244 ratingsMusic$1.99Data updated 2026-10-02
  4. Elastic FX app icon

    Elastic FX

    Oliver Greschke

    Process audio effects and route signals

    Process audio with up to four effects. Route audio from external devices or sound files. Connect to iOS drum machines or synthesizers via Inter- Audio or Audiobus. Adjust effect parameters for sound shaping.

    ★ 4.634 ratingsMusic$9.99Data updated 2026-09-10
  5. Stylo-101 (Stylophone+SH-101) app icon

    Stylo-101 (Stylophone+SH-101)

    Rob Wilmot

    Two oscillators create unique synth sounds.

    The app is a monophonic synthesizer with two oscillators. One oscillator offers saw, tri, and square waves, while the second provides an SH-101 saw wave with filter and resonance.

    ★ 4.031 ratingsMusic$0.99Data updated 2026-10-06
  6. Melodica app icon

    Melodica

    Mellowmuse Ltd

    Polyphonic sampled AUv3 instrument app

    The app is a polyphonic sampled AUv3 instrument and standalone application. It offers a configurable keyboard, reverb, and delay effects, with selectable keyboard or breath mode for performance.

    ★ 3.528 ratingsMusic$3.99Data updated 2026-11-08
  7. AudioPocket for volca sample app icon

    AudioPocket for volca sample

    KORG INC.

    Send audio samples to volca sample.

    The app records, previews, trims, and normalizes audio samples. Users can transfer these samples to their volca sample device from the app or a computer.

    ★ 2.359 ratingsMusicFreeData updated 2026-11-13

How we rank alternatives

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