RK-006 is the essential manager-app for the RK006 Master Hub, offering a versatile interface with 10 output ports and two inputs. It stands out by enabling standalone operation, allowing users to host, connect, and merge multiple MIDI/USBMIDI devices without the need for a DAW. This iOS port from the online webMIDI portal empowers users to design and save configurations on the RK006, setting up presets for event filtering, clock processing, and various output modes like MIDI/Gate/CV.

The RK006 has been praised as a game-changer, simplifying sync, MIDI, and signal processing tasks, even in the absence of a DAW. Retrokits, the developer, has been lauded for providing a solution that streamlines complex hardware setups, offering an incredibly versatile hub for MIDI, USB, and modular devices. It has been hailed as a must-have MIDI interface for both studio and live settings.