iOS Musician Apps (514) Supported Technologies is Inter-App Audio (IAA)

Chordy 2 is a chord player app for music creators.

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

Real time vocal processor + recording app.

Sunrizer Synth is a virtual analog synthesizer.

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).

SpringSound is a physical-modeling audio synthesizer that produces sounds by simulating interactions and vibrations of a set of activators and masses connected to springs.

ArpBud 2 is a MIDI Arpeggiator app where you can create unique arp patterns and be able to arpeggiate your favorite software or hardware synthesizers.

Real time vocal processor + recording app.

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

BitJuggler is an audio plugin to simulate vintage digital processing and to recreate digital imperfections.

ToneBoosters ReelBus is a magnetic tape simulation plug-in for iOS or iPadOS device.

Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.

Slow down music, choose the perfect pitch, and learn to play by ear.

Slow down music, choose the perfect pitch, and learn to play by ear.

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

No time to delve into the big and serious music apps? PixiTracker is what you need! It is a simple and fun tool to quickly create musical sketches, chiptunes and sound experiments.

PixiTracker 1BIT is a simple and fun tool to quickly create musical sketches, chiptunes and experiments with TRUE 1-BIT SOUND (like on old microcomputers).
No musical knowledge required.

KQ MiniSynth is a polyphonic modular synthesizer.

ToneBoosters Enhancer is an enhancer, exciter and sweetener plug-in.

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.