iOS Musician Apps (333) Supported Technologies is Audio Unit (AU), Type is Effect

Kajita combines two-stage multi-tap stereo delay with reverb, allowing you to create complex spatial effects.

Kleverb is an algorithmic reverb effect.

Knorr is a plugin that adds intensity and edge to a monophonic low frequency audio source (like a bass). The algorithm adds overtones to an existing sound in a way that isn’t possible with ordinary distortion or filtering.

Koala FX is the creative effects unit. It offers 16 one-touch effects that you can play intuitively like an instrument, allowing you to morph and twist your track.

Kompresor is a versatile and powerful, yet easy to use, compressor.

Koshiba is a 16-step gate sequencer plug-in effect that can transform a sustained sound into a rhythmic phrase.

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space.

AudioTune is a new real-time pitch correction AUv3 plugin from Coda Labs and AudioKit. Make vocals and instruments sound more in tune, or add creative robotic tuning effects in real-time with nearly zero latency.

A brickwall peak limiting app, for the complete control of your audio volume.

Whole guitar sound with innovative distortion effect, speaker simulation and reverb.

An audio coloration utility plugin featuring individual modes for classic emulation of some iconic music production tools.

LRC5 is a five-band EQ. It includes low shelf, high shelf, and three parametric peak/cut filters.

LRC7 is a seven-band EQ. It includes low shelf, high shelf, parametric peak/cut, notch, and various Butterworth low-pass and high-pass filters.

LUXE is an AUv3 effect plugin that compress and saturate an audio signal in a quite subtile but musical way. It's very useful for making a track "fit in the mix" and can be used on anything from a drum bus to a vocal track.

This is a natural sounding reverb audio effect.

MagicDeathEye is an emulation of a high-end tube compressor, available in AUv3 and interapp audio format.

Mammoth is a bass plugin featuring two-band signal processing that includes a bass maximizer, 3 types of drive, a tone stack, cabinet simulations and much more.

MangledVerb is a unique effect combining a rich reverb with devastating distortion.

Matrix Vocoder transforms your voice into an electronic instrument.

If you’re not patient enough to ride audio level manually, this AUv3 plugin saves you a lot of time.