iOS Musician Apps (522) Supported Technologies is Inter-App Audio (IAA)

TouchOSC is a modular OSC and MIDI control surface for iPhone, iPod Touch and iPad by hexler.

ToyTone is simple synthesizer. Select waveform, and move the slider. Tap the pad at bottom, you can play.

Trapezoid is an amazing Hammered Dulcimer app for the iPad.

Compose original beats in the smooth one-window interface, record sound tweaks in realtime and sample your own sounds for direct use.

Triqtraq LE is a free limited edition of the critically acclaimed music app Triqtraq - Jam Sequencer.

Turnado is a multi-effect tool, crafted especially for massive real-time audio manipulation.

TweakyBeat is a drum machine synth.

Play the Traditional Irish Bagpipes on your iPad.

UltraTap is a unique multi-tap effect capable of rhythmic delays, glitchy reverbs, huge pad-like volume swells and extraordinary modulation.

Undulator is Eventide’s classic modulated tremolo effect from the iconic H3000 effects processor.

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Vatanator is a unique drum machine with advanced MIDI functionality. It features 140 built-in presets emulating every classic vintage hardware.

Vatanator SX is a drum machine with advanced MIDI functionality.

GSi VB3m simulates the famous american tonewheel organ better known as the Hammond Organ B3.

VC-1 is a vintage voiced chorus effect capable of delivering many classic chorus sounds but it doesn't stop there.

Sonic texture generator / blur / non-linear reverb

VintageRack is a multi-effect application that contains modules modeling notable retro gear from the early digital era.

VocaLive offers singers and vocalists a suite of real-time professional vocal effects along with a recorder/DAW for studio quality sound (via in-app purchase), a looper for creative vocal experimentation (via in-app purchase), plus the ability to re-mike the input microphone with the Mic Room feature to add the sound and color of coveted studio microphones, all in a portable package (via in-app purchase).