This app allows you to connect various MIDI devices and applications.

Supported devices:
- Virtual ports / other applications
- USB
- Bluetooth (LE) (Experimental)
- RTP-MIDI

RTP-MIDI is also known as "appleMIDI" and can now be used with Android devices running this app. It will also broadcast your device on bonjour services.

MIDI Connector has 2 "connectors", which act like a MIDI cable between input and output. So it can connect 2 (different) inputs with 2 (different) outputs. You can safely switch apps, MIDI Connector will keep the connections in the background. MIDI Connector will also log the messages and connection status. MIDI Connector will notify the user when devices are removed. MIDI Connector will host 2 virtual ports to use as inputs and outputs for other applications. Settings allow you to disable or adjust certain features.

Before you buy, you can first try out the free version.