Apps Like MONSTR for iPhone and iPad
Adjust stereo width and mix balance
Adjust stereo width with up to six bands. Correct mix imbalances or apply creative effects. Works as a VST3 and AudioUnit plugin. Available for free on Windows, macOS, and Linux. Open source under GPL license.
Ranked alternatives
Showing 561–580 of 1,000 ranked alternatives.


SA60
RRS, OOO
Stream audio and edit effects in real
Edit audio with EQ modes, stereo or mid-side processing, and upsampling options. Compare audio using A/B functionality. Adjust settings with macro controllers and undo/redo features. Access a scalable interface and built-in gain matching.

Sinusoid
erik sigth
Sequence sounds and track rhythms
Create and sequence music using 4 sound channels with 3 tone channels and 1 for drums and noise. Adjust audio parameters like pan, amplitude envelope, vibrato, and pitch glide. Add ring modulation, FM synthesis, and a resonant filter.




Deep Synth : FM Synthesizer
Aleksandar Mlazev
Edit waves and modulate sounds
Create and customize synths with wave shape modulation and AUV3 support. Adjust envelopes, apply reverb and tremolo effects. Use a polyphonic keyboard with 5 octaves range. Connect MIDI keyboards via USB for velocity and pitch shift.


JAX ONE Frequency Shifter
Jens Guell
Shift frequencies and process audio
Extended allows users to manipulate audio streams using a Bode-style . Apply pitch shifting, detuning, and modulation effects. Adjust parameters for tone shaping and sound transformation. Works across Mac platforms.



TTAP : delay gone deep
K-Devices
Record, process, and play audio effects
Effects with adjustable time, feedback, and mix controls. Apply modulation and filter settings. Save custom presets. Integrate with AUv3 host apps for audio processing and real-time sound shaping.

Korvpressor
Klevgrand Produkter AB
Compress audio and limit peaks
Adjust audio levels with a compressor and limiter. Control low, mid, and high frequencies with separate knobs. Apply transparent compression to vocals and mixes. Export processed audio files.




StrandOrgan
Markus Sigg
Play organ samples on MIDI keyboard
Play Lars Palo's Strand pipe organ samples on a MIDI keyboard connected to iOS or macOS. Access the Kalvträsk Church sampleset via Creative Commons license. Export samples for use with other software.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.