Apps Like ButterSynth for iPhone and iPad
ButterSynth screenshots
Ranked alternatives
Showing 221–240 of 1,000 ranked alternatives.



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.

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.

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.




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.


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.


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.

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.

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.



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.

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.

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.
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