No problem. I have both and always use my Stomp at home with headphones, as it’s the most versatile for this sort of thing (although the FX works fine with headphones as well), but live I prefer the FX as I like how well it’s laid out, and also use it to control the channel switching on my Amp.
I’ve been using a BDDI for years in front of my amps, which I tend to run pretty flat anyway, so for me I still have the same preamp that i used to, plus all the other effects if I need them.
I tried briefly to use amp and cab modelling with my rig, but it seemed pointless as I was going through a rig anyway.