iOS Musician Apps (304) Supported Technologies is Audio Unit (AU), Type is Effect

Create out of this world ambiance with Blackhole, a reverb effect as big as the cosmos.

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.

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.

iDensity is a new real-time software designed for asynchronous sound file granulation, a genuine granular playground able to generate a wide range of effects.

Great for acoustic guitars or electric guitars with a piezo, Acoustic Voice pream plugin promotes getting lost in creative acoustic tracks production with no boundaries.

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

The PSA1000 Jr Analog Saturation Unit plugin is a modern recreation of a '90s classic analog guitar preamp which is used in recording studios all around the world.

ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones!

ToneBoosters Barricade is a peak limiter and compressor.

Visual Compressor is a 4 band compressor/expander which has the ability to analyse audio in real time giving an accurate and reliable spectrum representation of your signal as well as visual feedback of compression or expansion levels.  It's uses range from final mastering of songs to dynamic manipulation and EQing of drum tracks.

ToneBoosters Reverb is a studio-quality reverberation 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. 

Harmonic Exciter is an AUv3 Compatible plugin for your favourite DAW such as Cubasis, Auria, AUM, Meteor, BM3 or GarageBand etc.