iOS Musician Apps (560) Supported Technologies is Audiobus

This audio effect filter is a hybrid between a simple reverb and a very complex delay.

Ravenscroft Grand is a piano sampler.

RE-1 is a full featured virtual Tape Machine capable of delivering authentic tape based echo and chorus effects but it doesn't stop there. With it's interactive tape player, sample, loop and overdub features it's possible to use it like a virtual tape recorder, sample player, looper or simply as a master effect.

Reason Compact puts a powerful synthesizer right at your fingertips.

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.

Standard Root Reggae drum samples recorded with a real kit that seamlessly loops these patterns together.

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.

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

Rhythm Lab is a comprehensive rhythm app that tests your skill and coordination.  There are four types of drills: single, double, drum, and drum kit.

Rhythm Pad includes a wide range of high-quality real and electronic drum kits.

Rhythm Pad includes a wide range of high-quality real and electronic drum kits.

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.

Ribn is a MIDI controller with 8 assignable ribbons. What makes Ribn unique is its ability to record and loop your finger movement.

Ripplemaker is a West Coast Flavored Modular Synth.

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.

ROTOR is the new app that turns your device into a complete music performance suite.