Using the system's BPM Setting?

[khz]

Connect via USB/MIDI, set the master to “internal” and the slave to “USB” or “MIDI”.
https://wiki.mod.audio/wiki/Device_Settings#Sync_.26_MIDI

I use the plugin to send the “clock” as well as the “start/stop” command.

MIDI Clock Generator - MOD Audio

I’m not sure if this works reliably between 2 mod devices at the moment:

Need for beat perfect tempo sync at core level

There is an underlying quite tough technical challenge here - mapping what are basically pulses into steady, continuous ticks for audio plugins to use. Typically on audio plugins the transport is given as either BBT (bar-beat-ticks) or pulses per quarter (notes), with extra information like BPM and time signature. The issue is that there is simply no easy way to convert from simple pulses into a steady rolling timeline like what DAWs use. The MIDI Clock provides pulses, as indicator for “tick…

Should be solved soon though.