iOS Musician Apps (571) Supported Technologies is Audio Unit (AU)

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.

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.

KB-1 is a an expressive virtual keyboard designed for a multitude of scenarios.

Compose your own music for free with Dorico. Create beautiful music notation for one or two instruments quickly and easily with the on-screen keyboard, drum pads and fretboard. Play back instantly with the included sounds and shape the performance with powerful MIDI editing tools. When your piece is finished, share it as PDF, audio or MusicXML, or print directly to your AirPrint-enabled printer.

MIDI Strummer is an AUv3 plugin designed to simulate guitar strumming and picking techniques. It can used to generate MIDI note data which can be sent to either an external synth of choice or the internal soundfont engine.

ArpBud 2 is a MIDI Arpeggiator app where you can create unique arp patterns and be able to arpeggiate your favorite software or hardware synthesizers.

GeoShred Control is a stand alone MIDI/MPE controller based on GeoShred.

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

BitJuggler is an audio plugin to simulate vintage digital processing and to recreate digital imperfections.

ToneBoosters ReelBus is a magnetic tape simulation plug-in for iOS or iPadOS device.

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

Virtual ANS is a software simulator of the unique Russian synthesizer ANS - photoelectronic musical instrument created by Evgeny Murzin from 1938 to 1958.

Time Machine is a plugin that allows you to go back to the days of vinyl and tube amplification. 

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

KQ MiniSynth is a polyphonic modular synthesizer.

Neon is a lightweight digital audio editor and recording plugin compatible with any AUv3 host.

KQ Dixie is a 6-Operator FM synthesizer that is modeled on the synthesizer which appeared on the 1980s.

ToneBoosters Enhancer is an enhancer, exciter and sweetener plug-in.

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.

Steel Guitar PRO is a guitar processor that combines cutting-edge realtime audio generation with control interface. It provides guitar models, built-in amps & FX processing, MIDI control, AUv3, and good customizability.