iOS Musician Apps (63) Supported Technologies is Audiobus, Type is Tool

Just add Midiflow Monitor into one or more MIDI effect ports and the app will print what is going through.

Tone generator with two Oscillators and one Noise generator, each with individual lowpass filters.

midiSTEPs is a powerful and fun MIDI step sequencer app that sends MIDI note and CC messages to other music apps and external synthesizers.

Been saving up for that Hang, but don't have quite enough yet? You can get busy on our version of the infamous steel instrument.

ScaleBud is a music theory tool for composers, artists and learners. It has more than 40 most popular scales and counting.

AutoArp turns your iPhone (or iPod Touch) into a musical instrument that is halfway between a traditional auto-harp zither and an arpeggiated analogue-style synth.

X Drummer is the drum production tool for guitarists, songwriters and mobile musicians.

This simple MIDI effect app for Audiobus 3 allows you to transpose notes.

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

This MIDI app for Audiobus 3 allows you to include music apps, which don't support Audiobus MIDI but only Core MIDI. It creates permanent virtual MIDI ports for input and output.

"QuantiChord" is a MIDI effect that generates chords from incoming notes and quantizes the results to a pre-defined scale. It can be used as a standalone application or as an Audio Unit MIDI effect plug-in.

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

Simple Music is a novel arrangement of notes to visually and easily provide for playing music. Sliding your finger from any point always produces chords.

Sends Audiobus signal to AirPlay speakers.

This MIDI effect app for Audiobus 3 lets you filter out unwanted notes or remap them to a scale.

Kuvert allows you to draw envelopes to control different effect parameters.

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.

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.