I can give some input perspective on the doepfer A-190-4. If you need USB, DIN midi and DIN midi trough, yes! But there are other modules that give you much more midi to CV for the buck and for the HP.

https://www.modulargrid.net/e/alm-busy-circuits-alm023-mmmidi
4HP, two full channels with cv gate and velocity + clock and MG lists it with 115€

https://www.modulargrid.net/e/befaco-midi-thing-
6HP, DIN midi, Modes with either two channels with velocity and mod, four CVs+gate or 8 trigger/gates 200€ (or less if you DIY it)