iOS Musician Apps (507) Supported Technologies is Inter-App Audio (IAA)

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

The JAF Collection is an exciting set of digital modeled classic analog synthesizer filters (VCFs) for iOS.

During a routine mining expedition in the outer regions of the galaxy five mysterious boxes of unknown origin were found. Rumours among the workers spread quickly that there was a strange feeling being around these boxes, as if time flows in a different way, not just forward but sometimes also folding back on itself. The miners nicknamed them, the five boxes of reverberation. After the excavation process, to study them more closely, it was decided to transport them back to earth.

A streaming sound palette for experimental musicians, sound designers and artists. Includes over 40 preset randomized Internet audio streams.  

Galileo Organ 2 is a tonewheel and transistor organ app.

Roxsyn is a metamorphic guitar synthesizer.

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.

Musk MIDI Keyboard is an expandable MIDI keyboard.

BeatMaker is a drum sampler.

EGDR808 is a drum machine that emulates the vintage hardware from the 80's.

SK-51 is an all-in-one keyboard inspired by the Casio SK-1 (and his brother the SK-5), a 8-bit lo-fi keyboard from the 80’s, with sampling features and onboard drum machine.
Called the poor man's sampler at the time, this keyboard was a real instrument and has been used by many major artists such as Fatboy Slim, Portishead, Autechre and Nine Inch Nails.

Real Guitar is a realistic guitar simulator apps.

Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.

Bark Filter is a Critical Band Analyser/Filter/Compressor.

The multi-band delay BandDelay is a tool for sound design and loop manipulation in realtime. In contrast to common delay processors BandDelay splits the frequency spectrum of the input signal into 27 bands and applies a separate delay unit to each band.

BandShift is a realtimemulti-band auditory filter and frequency shifter.

Matrix Vocoder transforms your voice into an electronic instrument.

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