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 221–240 of 1,000 ranked alternatives.

  1. Roxsyn Guitar Synthesizer app icon

    Roxsyn Guitar Synthesizer

    Yonac Inc.

    Play , synthesize sound, record tracks

    Convert or bass input into polyphonic synth sounds in real time. Adjust waveform, filter, and modulation parameters. Save and recall presets. Connect to audio interfaces and DAWs for recording and live performance.

    ★ 4.790 ratingsMusic$19.99Data updated 2026-09-19
  1. 76477 Complex Sound Synth app icon

    76477 Complex Sound Synth

    Black Cat Systems

    Powerful sound effects generator and synthesizer app.

    The app generates sound effects using three oscillators, a noise generator, and an ADSR envelope. It supports MIDI input for triggering playback and adjusting settings, and works with Bluetooth audio devices.

    ★ 4.010 ratingsMusic$2.99Data updated 2026-10-29
  2. RRS Ivoks app icon

    RRS Ivoks

    RRS, OOO

    Play 5 minutes of music anytime

    AUv3 is a virtual analog synthesizer with undo/redo, A/B comparison, and 2x/4x/8x upsampling. It includes macro controllers and a scalable GUI. Users can reload the demo version for repeated free play sessions.

    ★ 4.441 ratingsMusicFreeData updated 2026-09-06
  3. shapesynth app icon

    shapesynth

    erik sigth

    Draw waveforms, shape sounds

    Create and shape oscillator waveforms by drawing with 32 blocks. Generate retro sounds using mirrored halves. Interpolate between 16 oscillator pages. Apply effects like arpeggio, stereo delay, and resonant filter. Record sounds on a tape interface.

    ★ 4.924 ratingsMusic$4.99Data updated 2026-09-08
  4. MIDI Designer Pro X app icon

    MIDI Designer Pro X

    Confusion Studios LLC

    Control anything via MIDI, anywhere.

    The app offers control for MIDI-enabled hardware and software, including keyboards, synths, and DAWs. It provides AUv3 support within hosts like AUM and Logic, alongside robust MIDI communications over network, Bluetooth, and USB.

    ★ 4.6269 ratingsMusicFreeData updated 2026-09-25
  5. Xynthesizr app icon

    Xynthesizr

    Yuri Turov

    Sequence and generate musical patterns

    Create and sequence musical patterns using a 32-step matrix. nd manipulate synth sounds with generative features. Connect via MIDI to external synthesizers for real-time control and sound shaping. Adjust parameters to customize tones and rhythms.

    ★ 4.8232 ratingsMusic$6.99Data updated 2026-09-30
  6. Chord app icon

    Chord

    Roman Sevastyanov

    Create progressions and send MIDI data

    Create and edit progressions with inversions, sus2, sus4, 7th, and 9th chords. Play chords as piano or synth or send MIDI to macOS. Use phone as MIDI keyboard for macOS. Practice reading musical notation.

    ★ 4.881 ratingsEducation$3.99Data updated 2026-09-23
  7. Oscilyzer app icon

    Oscilyzer

    Stefan Robl

    Analyze, visualize, and synthesize audio signals

    Oscilloscope mode displays real-time waveforms with automatic and single-shot triggering. Measures frequency, period, and amplitude automatically or manually. Spectrum analyzer mode identifies frequency components and amplitude levels.

    ★ 4.910 ratingsProductivityFreeData updated 2026-09-10
  8. Scaler 2 app icon

    Scaler 2

    Scaler Music

    Scale and play musical notes

    Analyze MIDI and audio to identify key and scale. Suggest chords, melodies, and basslines. Connect to keyboards, synths, or MIDI devices via Bluetooth. Edit and arrange musical content. Export tracks in various formats.

    ★ 4.7245 ratingsMusicFreeData updated 2026-09-06
  9. FabFilter Saturn 2 app icon

    FabFilter Saturn 2

    FabFilter

    Apply distortion and saturation effects

    Apply distortion and saturation effects to audio in real-time. Choose from various distortion models and adjust frequency bands. Use modulation settings and access a modern, intuitive interface for precise audio shaping.

    ★ 4.933 ratingsMusic$24.99Data updated 2026-09-27
  10. Dawnbeat app icon

    Dawnbeat

    Luis Rivas

    Create beats with touch and swipe

    Create and record musical patterns by tapping and swiping multi-touch pads. Record continuously without setting a tempo. Drag and adjust pads for customization. Play and refine patterns without stopping. Sync with audio units and standalone devices.

    ★ 4.295 ratingsMusicFreeData updated 2026-09-06

How we rank alternatives

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