iOS Musician Apps (307) Supported Technologies is Audio Unit (AU), Type is Effect

The Vocal Harmonizer plugin was specifically designed for adding harmonies and basic auto tuning frunctionality to recorded vocal lines. It is specifically tuned to the frequency range of the human voice and tracks the incoming vocal frequency attempting to tune to the desired musical key and mode of your song.

This is actually a trio of effects all rolled into a single package which are ideally suited but not limited to voice recordings (De-Esser, a Vocal Doubler and a Noise Gate).

FAC Bandit is a multiband audio effect that splits the audio signal into three bands of frequencies defined by adjustable crossover points.

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

soda is a DJ application. It's customisable Interface let's you focus only on the features that are important to you.

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.

Brusfri* is a highly advanced audio noise reducer, packed into a simple and straight-forward interface.

A professional compressor plugin in the audio unit format.

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

Envelope is a high class reverb audio unit for use as a standalone app or (preferably) in AUv3 hosts.

This audio effect is an advanced de-esser with an intuitive user interface.

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

A true guitarist’s amp, 20th Anniversary excels at clean, blues and rock tones, with a full pedalboard of classic FX and an eye-catching intuitive interface.

PD Space Guitar Synthesizer pimps up your guitartone with polyphonic saw and square-like waves, pitchshifting, modulation,  filtering and more
it brings fluid realtime crazyness to your guitar.

NuRack is an AUv3 based multi-channel audio effects processor with a difference, it actually allows you to design your own custom effects using the building blocks provided.

Degrader is a combined resampler and bit crusher AUv3 plugin.

DAW LP is an Audio Unit effect that emulates the sound of a vinyl disc (and player).

DAW Cassette is an Audio Unit effect that emulates the sound of a classical tape deck.

The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.