iOS Musician Apps (65) Supported Technologies is Audio Unit (AU), Effect Type is Equalizer, Filter

Traditional EQs influence the spectrum of the whole stereo field simultaneously. DirectionalEQ takes this concept one big step further: now you can equalize all directions in the stereo field independently.

The 6144 is an Audio Unit equalizer which aims to recreate the legendary sound of the Neve hardware EQs.

FabFilter Pro-MB is a multiband dynamics plug-in featuring an optimized workflow: up to six compression/expansion bands can be placed freely anywhere in the spectrum.

FabFilter Saturn 2 is a high-quality distortion/saturation plug-in with a huge range of distortion models ranging from subtle to screaming vintage amp modelling, multiple frequency bands, hugely flexible modulation system, and a very modern, well-designed user interface.

FabFilter Pro-Q 3 is an EQ plug-in with up to 24 bands, analog modeling, dynamic EQ, linear phase processing.

ChannelStrip is, as its name implies, a channel strip app and AUv3 plugin. With a gate, equalizer, and compressor, ChannelStrip can provide a solid and easy-to-use channel control for your iOS mixing needs.

Eventide Crystals Harmonizer® combines twin reverse pitch shifters with reverse delays and reverb. This iconic H3000 effect can be used to create out-of-this-world climbing and cascading pitched delays or to create unique sounding reverbs. It features two reverse granular delays that can be manipulated by length and pitch.

A simple but fast low-pass filter with control over cutoff frequency and resonance factor.

Yukawa is an AUv3 compatible multi-effects plug-in that combines a tempo-synchronized multi-tap sequence delay that produces rhythmic phrases, a modulatable stereo delay, and a DJ mixer-style filter.

Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.

ToneBoosters Equalizer is a dynamic equalizer plug-in.

Visual EQ Console is a multi-band EQ console with the ability to analyse audio in real time giving a spectrum representation of the frequency response. 

Remake is a multi-band effect, includes gain, reverb.

F-16 Filter is a flexible multi-mode filter with frequency response display.

SideBand Remix is an AUv3 plugin for final mixing and mastering. It separates the phantom center from sideband (L/R) content which is what give a stereo track its width, and lets you remix it.

FabFilter Pro-Q 2 is a transparent, high-quality equalizer plug-in for mixing and mastering purposes, with up to 24 bands and a gorgeous interface for easy and precise editing.

ChannelEqualizer is a three band EQ AudioUnit Extension plugin, developed as an add-on for VADrumSM.

Dub Delay emulates an analog tape delay unit with various options to filter and saturate the output signal before it is fed back into the delay unit.

FilterMorph plugin takes the concept of a traditional audio filter and pairs it with overdrive, bit crunching and tape delay to perform some incredibly neat real-time or beat synced automation effects.

The EQ560 extends the features of the original hardware and joins the flexibility of the digital world to the character of the analog processing.