Apps Like Klankwelle for iPhone and iPad
Create and control synthesizers
Create and control up to 8 synthesizers simultaneously using a built-in keyboard or step sequencer. Connect external MIDI devices for input. Adjust sounds with a dynamic compressor and 10-band graphic equalizer.
Klankwelle screenshots
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.

WOW Filterbox
Sugar Bytes GmbH
Stream audio and apply filters
Apply audio filters with 21 types including lowpass, bandpass, and comb. Adjust filter slopes up to 48 dB using SVF, diode ladder, and transistor ladder. Add distortions and modulations for sound effects. Output processed audio files.

Core Synth Free
Jasmine Lee
Monophonic synthesizer for iPhone and iPod
The app offers a monophonic synthesizer with a 1-octave keyboard and dual oscillators. It includes a volume envelope shaper and a low pass filter with adjustable cutoff and resonance.

Frequency: Sound Generator
Lucija Jaksic
Nd play waves in different frequencies
Nd play waves with customizable settings from 1Hz to 22000Hz. Choose between sine, square, sawtooth, or triangle waveforms. Adjust volume and playback duration. Save and share generated files.

Model 15 Modular Synthesizer
Moog Music Inc.
Create and explore synth sounds
Create and manipulate sounds with precise control over oscillators, filters, and effects. Connect and route modules to build custom setups. Save and load presets. Export audio files and share directly.

iDousyn Lite
Jorge Lozada
Create melodies with instrument samples
Create and play music with virtual instruments including pianos, basses, guitars, drums, and synthesizers. Use Chord Pads to build harmonies. Record performances and export audio files. Share creations directly from the .

miRack
MIFKI PTY LTD
Build custom synths and effects
Create and customize synthesizers using modular components. Build audio and MIDI effects. Control external apps and hardware. Explore modular synthesis concepts. Perform live with customizable setups. Sync with macOS via Audio Unit and VST plugins.


Audio Function Generator
Thomas Gruber
Generate tones, adjust frequencies, save presets
Nd play test tones including sine, rectangular, triangular, and sawtooth waves. Create and play frequency sweep tones in ascending and descending directions. Adjust frequency, amplitude, and duration settings.

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.








Voice Synth Modular
Qneo
Sing with vocoder effects
Allows users to process their into various effects. Apply vocoder, auto pitch, and harmonizing pitch shift. Adjust speed and sample sounds. Create robotic, animal, or comedic voices. Play musical instruments by without physical input.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.