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 201–220 of 1,000 ranked alternatives.



Speaker Cleaner – Water Eject
AppLiks Sp. z O.O.
Test speakers with frequency tones
Test phone speakers with tones ranging from 0 Hz to 25 kHz. Use manual or automatic mode to assess performance. Perform stereo tests to evaluate sound quality. Clean speakers by generating frequencies to remove dust and buildup.

WoodSynth
Woodman's Immaculate Maple Syrup Studio
Layer synthesize and layer assign
Create and layer sounds using up to four independent synthesizers. Each layer includes three VCOs, a sample or wavetable source, and recording capabilities. Set up to 16 voices per layer.

Volume Booster & Louder Bass
PAO APPS PTE. LTD.
Boost and enhance
Boost audio and clarity for music, podcasts, and files. Enhance for deeper sound. Adjust settings to customize audio output. Works with local and cloud-stored media.

Cyclop for iPad
Sugar Bytes GmbH
Generate monstrous bass sounds
Create bass-heavy sounds with a monophonic synthesizer. Adjust frequency ranges and apply mid/side processing for stereo imaging. Control low-end thickness and shape sub-bass tones. Export audio files and integrate with digital audio workstations.

Kleverb
Klevgrand Produkter AB
Apply reverb effects to audio tracks
Create reverb effects with adjustable room sizes and filters. Modify early and late reflections, add modulation, damping, and diffusion. Use a ducker based on the dry signal. Apply effects to audio tracks in a DAW.


tardigrain
erik sigth
Process samples into granular sound
Create and manipulate audio using granular synthesis techniques. Adjust grain size, direction, and step size. Apply effects such as reverb, wave shaping, and sample crushing. Connect via AudioCopy, AudioBus, Inter Audio, and AUv3.

Analog Rack Compressor
Nembrini Audio S.r.l.
Shape audio dynamics with precision
Apply compression and tube preamp coloring to audio tracks. Adjust threshold, ratio, and attack/release settings. Sculpt dynamics with precise control. Enhance signal warmth and character through custom virtual circuits.

AudioReverb
Harry Gohs
Studio quality reverb for music
The app provides studio quality reverb for AUv3 compatible hosts, Audiobus, and Inter-app audio. It simulates acoustic properties using impulse responses and classical algorithms for clarity and sense of space.

Stereo Lag Time
Blue Mangoo Consulting Company Limited
Delay left and right channels
Audio plugin for creating a delay effect by introducing a small difference between left and right channels. Adjust delay , feedback, and mix levels. Apply to audio tracks for spatial sound effects. Compatible with digital audio workstations.



Radio Unit
Jaroslaw Jacek
Stream music and apply audio effects
Stream music with real-time audio processing using AUv3 plugins. Add songs to a playlist. Navigate a clean interface. Integrate with AUv3-compatible hosts for enhanced sound.

X AIR
Music Group Research UK Limited
Control mixers, adjust effects, manage processing
Control mixing, processing, and effects of X18/XR18/XR16/XR12 mixers via iPad. Adjust 18 input channels and 12 buses. Edit 4 stereo effects processors. Access routing, EQ, and dynamics settings. Save and recall mixer configurations.

LE03 | AudioTune + AUv3
Coda Labs Incorporated
Tune audio in real time with pitch
Adjust audio pitch in real time for monophonic signals between 50Hz and 2000Hz. Apply auto pitch correction to male and female voices. Modify correction intensity and speed. Add robotic tuning effects with low latency.



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