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 401–420 of 1,000 ranked alternatives.

  1. GSDSP Quantum Delay app icon

    GSDSP Quantum Delay

    Gustav Scholda

    Echoes with modulation and filtering

    Create and manipulate audio delays with vintage and modern modes. Adjust modulation, filtering, and timing settings. Sync delays to BPM or set precise milliseconds. Apply fine-tuned micro-timing adjustments. Export processed audio files.

    ★ 4.815 ratingsMusic$14.99Data updated 2026-09-06
  2. Fly Tape 2 app icon

    Fly Tape 2

    MSXII Sound Design LLC

    Record, play, and edit loops

    Record and playback audio with -like saturation and noise characteristics. Adjust noise hiss, speed, and echo effects in real time. Apply filters and modulation effects to incoming audio signals.

    ★ 4.450 ratingsMusic$5.99Data updated 2026-10-10
  1. SECTOR app icon

    SECTOR

    Kymatica AB

    Slice sequence bend tweak trigger chaos

    The app offers a probability-matrix sample slice sequencer and a classic pattern step-sequencer. It includes time-warping transfer functions for various effects and allows real-time tweaking and triggering.

    ★ 4.787 ratingsMusic$8.99Data updated 2026-10-11
  2. Speakers - Mics & Loudspeakers app icon

    Speakers - Mics & Loudspeakers

    AudioThing Ltd.

    Emulate speaker and mic sounds

    Modify audio with convolution reverb to mimic various and microphones. Adjust compression, distortion, and filtering settings. Add looping background noises for ambient effects. Customize effects chains for different sound shaping.

    ★ 5.012 ratingsMusic$19.99Data updated 2026-09-06
  3. Synthecaster app icon

    Synthecaster

    Daniel Resnick

    Play synth-like sounds and create music

    Create and play polyphonic music using a synth instrument with string-like key rows. Perform technical styles like shredding and complex chords. Use Motion Modulation for expressive control. Connect as a MIDI controller.

    ★ 4.914 ratingsMusic$0.99Data updated 2026-09-08
  4. FX Math Solver app icon

    FX Math Solver

    Euclidus Inc

    Solve math homework and textbook problems.

    The app provides step-by-step solutions for math problems from pre-algebra through calculus. It includes a scientific calculator, graphing calculator, and a user-friendly editor for inputting problems.

    ★ 3.986 ratingsEducationFreeData updated 2026-09-25
  5. RingsFX app icon

    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.

    ★ 4.926 ratingsMusic$8.99Data updated 2026-09-06
  6. AltiSpace 2 app icon

    AltiSpace 2

    Igor Vasiliev

    Apply impulse responses to tracks

    Apply convolution reverb using impulse responses from real spaces or hardware. Adjust parameters for decay, pre-delay, and EQ. Blend multiple reverb types. Export processed audio files. Sync with DAWs for mixing and mastering.

    ★ 4.730 ratingsMusic$7.99Data updated 2026-11-11
  7. DXi FM synthesizer app icon

    DXi FM synthesizer

    Takashi Mizuhiki

    Create and play FM sounds

    Create and customize sounds using FM synthesis technology. Adjust parameters to shape tones and effects. Play back and record synthesized music. Export audio files for use in other applications.

    ★ 4.319 ratingsMusic$1.99Data updated 2026-09-25
  8. Splat-to-Clat app icon

    Splat-to-Clat

    MIDIculous LLC

    Chop samples, create beats, rip breakbeats

    Create beats using pre-chopped urban drum samples. Adjust swing and timing. Apply effects and filters. Export audio files. Customize drum kits. Import and edit breakbeats. Adjust tempo and velocity. Save and share projects.

    ★ 4.228 ratingsMusic$14.99Data updated 2026-09-06
  9. DFX - Digital Multi-FX app icon

    DFX - Digital Multi-FX

    Fingerlab SARL

    Quad Multi-Effects Processor For iPad

    The app provides four chained effects for sonic exploration. Users can select from 35 digital audio effects, including delays, reverbs, and distortions, to create new soundscapes.

    ★ 3.88 ratingsMusic$9.99Data updated 2026-11-12

How we rank alternatives

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