iOS Musician Apps (189) Supported Technologies is Inter-App Audio (IAA), Type is Effect

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

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

Echo Pitch is a pitch-shifting multi-delay for iPhone.

Multieffect Audioprocessor. Seven studio quality effect modules for live usage and to enrich your iTunes music library.

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

waverails is a modular path-based loop processor, inspired by avant-garde tape music and early electromechanical musical contraptions.

Play your favorite songs in their original sound using your iPhone or iPad. It's a whole new experience in learning songs.

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Moebius Lab is a multimorphic sound processor which contains a synth, a varispeed stereo sample player, effects and LFOs that can modulate each parameter.

VoxSyn turns your voice into the flexible vocal sound generator ever.

Vox Unit is a vocoder. You speak in the microphone, you play on the keyboard, and choir and vocal effects are produced.

iConvolver is an app for conveniently utilizing convolution reverb on an iOS device.

Zen Musical Harmonizer ZMH-1 is a vocal/instrument harmonizer app.

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.

Frekvens is a frequency shifter and delay effect.

Created in collaboration with the tone gurus at MESA Engineering, AmpliTube MESA/Boogie gives you a full spread of gear that represents the breadth and versatility of the many faces of MESA/Boogie.

It would be nice if that echo box worked properly, instead of stretching and warping like this. Maybe you shouldn't have dropped it in the bathtub. We're not looking to place blame or anything, but, you know. Butterfingers.

SilQ Equalizer is a high quality 32 band stereo equalizer supporting a great variety of audio inputs (including built-in microphone or hardware) as well as acting as an effect app through IAA and Audiobus.

AmpliTube Acoustic is a complete mobile tone studio for acoustic instrument recording and processing.

AmpliTube Acoustic FREE is a complete mobile tone studio for acoustic instrument recording and processing.