iOS Musician Apps (547) Supported Technologies is Inter-App Audio (IAA)

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.

Mixvibes introduces the perfect remix toolbox: lay down samples on a grid of pads and tweak them in seconds.

Slice your audio samples with ReSlice and create flexible musical atoms which can be triggered by MIDI notes or the touch of your fingers.

Respiro Wind-Synth for iOS is a free standalone app (IAA) and AUv3 plugin synthesizer giving you access to six fully functional wind instruments for your device.

The Amazing Noises Reverb is a Feedback Delay Network (FDN) Reverb Effect, which can create nice reverberated ambiences, from small rooms to huge buildings.

RF-1 is an Algorithmic Reverb (AU, AB, IAA, Standalone).

RhythmBud is a MIDI effect application that would transform incoming MIDI messages into the rhythmic pattern you will create on its editor.

Ribbons is an extraordinarily fun and expressive musical instrument for iPad.

RM-1 is a multi purpose audio effect designed around various types of modulation.

RMX-1000 for iPad is a tactile iPad app that lets you add high-quality FX to tracks in your iTunes library.

Turn your iPhone or iPad into a solid Rock Drummer with powerful drum sounds and tons of rhythms to get energetic drum grooves.

Rotary is a rotating cabinet effect that simulates a Leslie speaker. It produces a pulse-like vibrato effect depending on the speed of rotation.

RoughRider3 is a dynamic compressor.

Roxsyn is a metamorphic guitar synthesizer.

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

rrarrow is the experimental noise machine / modular audio effect for the iOS featuring extended feedback capabilities.

RX950 Classic AD/DA Converter is a Classic AD/DA Converter emulator.

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.

S-Modular is a semi modular synthesizer for your iPad.

Samplist is a MIDI Sampler Instrument which allows you to easily chop a sample into different slices.