iOS Musician Apps (578) Supported Technologies is Audiobus

Arctic Pro Synthesizer / Vocoder is a modern subtractive synthesizer.

Built for Live performance and hands free use, Quantiloop recreates the simplicity of a hardware loop pedal in an iOS app.

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

Metronome, Drum Machine, Practice Log.

AutoPad is an app for musicians that allows you to play ambient pad loops.

Loopy offers a sleek, expressive, instantly understandable interface that beginners can start using effectively straight away.

Looperverse is the ultimate loop recording and performance system for iOS.

So what is a midi echo? It is similar to the audio echo effect where copies of the original audio are repeated at regular time intervals but with some form of change (e.g. quieter). But unlike audio, midi is digital in nature (low resolution 8 bit mostly) and focused around the midi note on & off message used to control synths etc.

Pumphouse is a sidechain pumping effect. It helps if your DAW doesn't have sidechaining.

Celtic Sounds is a fully transposable MIDI sound module with five traditional Irish musical instruments.

Steps by Reactable is a small yet powerful MIDI sequencer that allows you to create complex rhythmic patterns in a surprising new way.

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

DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch.

The power of a digital audio workstation in the palm of your hand.

A2M detects the pitch of the audio and converts it into the corresponding MIDI notes in real time. Thanks to this, you can play, e.g., the guitar, saxophone, or even sing, and simultaneously trigger sounds in virtual instruments (not only AU). These acoustic (or electric) instruments, or your voice, act as a MIDI controller.

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

Loopseque is back with a rounded beat machine, percussion drum sequencer, the ability to change samples, patterns on the run, use effects, filters, etc to easily create a musical atmosphere that you like.

SDS-x is a "nine pads" style drum module that lets you easily use samples alongside your drum kit.

Even if you've only played air guitar, ThumbJam lets you sound like a pro.  Pick an instrument and jam - with all the scales to choose from you'll never hit a wrong note.