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 141–160 of 1,000 ranked alternatives.

  1. Viking Synth app icon

    Viking Synth

    Blamsoft, Inc.

    Play, edit, and mix sounds

    Edit and shape sound using three variable wave oscillators and two ladder filters. Adjust filter types and modulation settings. Use a multi-wave LFO and two modulation busses. Apply DSP-based effects for realistic analog synthesis.

    ★ 4.742 ratingsMusicFreeData updated 2026-09-10
  2. Elastic OSC app icon

    Elastic OSC

    Oliver Greschke

    Generate sounds with oscillators

    Create and manipulate sound using a variety of oscillator types including analog, FM, additive, and physical modeling. Adjust waveform shapes, filter settings, and modulation parameters. Play in monophonic or 8-voice polyphonic mode.

    ★ 4.740 ratingsMusic$17.99Data updated 2026-09-28
  1. PolyBud Polyrhythmic Sequencer app icon

    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.

    ★ 4.99 ratingsMusic$6.99Data updated 2026-09-06
  2. Teraverse app icon

    Teraverse

    Harry Gohs

    Explore Tera Pro sounds and customize them

    Access and customize Tera Pro sounds with adjustable parameters for tone and structure. Explore morphing between sounds to create new variations. Integrate with Tera Pro for expanded sound design capabilities.

    ★ 4.8104 ratingsMusic$2.99Data updated 2026-09-06
  3. Ribn app icon

    Ribn

    Nebojsa Petrovic

    Record finger movement and loop MIDI

    Control MIDI hardware synths and effects with 8 assignable MIDI CC ribbon pads. Record and loop finger movements for organic modulation. Assign unique MIDI channels and CC numbers to each ribbon for custom control.

    ★ 4.830 ratingsMusic$3.99Data updated 2026-09-15
  4. Voice Synth app icon

    Voice Synth

    Qneo

    Process and synthesize live voice creatively.

    The app processes and synthesizes live voice for music creation. It offers tools like vocoders, auto pitch, and harmonizing pitch shift for diverse vocal effects and soundscapes.

    ★ 4.1334 ratingsMusic$8.99Data updated 2026-09-25
  5. Flynth - Synth & Arpeggiator app icon

    Flynth - Synth & Arpeggiator

    Fingerlab SARL

    Play sounds, edit presets, and create music

    Create and customize sounds with a wide range of synthesizer presets. Adjust knobs and parameters to design unique tones. Load AudioUnit plugins in DAWs. Connect via MIDI to external keyboards.

    ★ 4.355 ratingsMusicFreeData updated 2026-09-24
  6. midiLFOs - midi modulator app icon

    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.

    ★ 4.921 ratingsMusic$4.99Data updated 2026-10-23
  7. SUBscription Synth app icon

    SUBscription Synth

    Caelum Audio Ltd

    Stream music with synthesizer plugin

    Convert text inputs into unique waveshapes for bass sounds. Generate monophonic sub- tones from user-generated phrases. Customize audio output with codes.

    ★ 4.743 ratingsMusic$2.99Data updated 2026-09-06
  8. Voice Changer - Sound Box app icon

    Voice Changer - Sound Box

    Nadezhda Belozerova

    Transform in real-time

    Modify in real-time with adjustable pitch, speed, and tone. Apply various effects and filters. Record and playback transformed audio. Share clips directly to social media or messaging apps.

    ★ 4.61,156 ratingsEntertainmentFreeData updated 2026-09-06
  9. DrumLab app icon

    DrumLab

    Pascal Douillard

    Create drum sounds with samples and synthesis

    Create and manipulate drum sounds using a graphic editor. Use 76 samples and synthesis drum kits. Mix and match sounds across drum kits and tracks. Load drum kits from factory or other songs to generate new compositions.

    ★ 4.326 ratingsMusic$9.99Data updated 2026-09-28
  10. VOSIS app icon

    VOSIS

    Life Orange LLC

    Synthesizer for image sonification and sound

    The app combines audification of greyscale pixel data with image filters for image sonification and sound design. It allows control of pixel scan rate for pitch variation and uses an ADSR envelope for non-linear pitch sequences.

    ★ 4.25 ratingsMusicFreeData updated 2026-10-25
  11. SynthShred app icon

    SynthShred

    Yugal Sharma

    Play, record, and share synth sounds

    Create and customize music with 139 sound presets including piano, guitars, ethnic instruments, and synths. Access 29 guitar tuning presets and 14 musical scales for composition. Adjust pitch, volume, and effects in real time.

    ★ 4.4205 ratingsMusicFreeData updated 2026-09-19
  12. iPulsaret app icon

    iPulsaret

    Alessandro Petrolati

    Generate granular sounds and effects

    Create and manipulate granular audio with real-time time-domain synthesis. Generate effects like grainlet, trainlet, FM, and time/pitch shifting. Adjust grain parameters and control live input. Sync with AUv3 hosts. Export and share audio files.

    ★ 4.831 ratingsMusic$9.99Data updated 2026-09-08

How we rank alternatives

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