iOS Musician Apps (536) Supported Technologies is Audiobus

dot Melody is a multidimensional graphic arpeggiator, sequencer, and drum machine.

RMX-1000 for iPad is a tactile iPad app that lets you add high-quality FX to tracks in your iTunes library.

polybeat is an advanced and extremely flexible drum and percussion sequencer able to generate complex polyrhythmic and polymetric rhythmic patterns.

With a library of editable patterns, loops, and fills, Drum Session is a very fast, simple way to put together a complete drum track.

Chordbot is a songwriting tool / electronic backup band that lets you create and play complex chord progressions in different arrangements easily. Just add some chords, select a comping style and hit play.

The K Machine is an audiovisual instrument, allowing the creation of audiovisual animations based on visual shaders and sequenced audio samples, and designed for musicians, shaders enthusiasts, VJs, and animation lovers in search of a live oriented, open, audiovisual instrument.

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

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.

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

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

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

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

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

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

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.

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

Metronome, Drum Machine, Practice Log.

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

Ribbons is an extraordinarily fun and expressive musical instrument for iPad.

Dub Delay emulates an analog tape delay unit with various options to filter and saturate the output signal before it is fed back into the delay unit.