The blofeld and digitone interfaces are really only similar in the way that they don’t have a knob per function, so the context of their knobs shifts as you navigate through different pages. How they execute this is pretty different from each other though. I think the digitone’s approach is way more refined, as the visual feedback on the screen directly correlates to the layout of the knobs, whereas the blofeld uses a parameter matrix that’s written out on the panel. For me, the blofeld was quite a bit clunkier and took more time getting used to, but I eventually did get used to it and now I enjoy navigating it quite a bit.
If you wanted a blofeld to use as a preset machine and not design your own patches, then you are greatly missing it’s potential. Going purely off of the presets, I would say that the blofeld sounds pretty dated and even cheesy. The presets may showcase the complexity of the engine, but quite a few have a 90s rompler quality to them.
If you were to explore its sound design capabilities though, then you may find how incredibly wide the spectrum of sounds it’s capable of. I believe the blofeld’s biggest strength isn’t found in emulating other synths (I.e. analog modeling), but in creating uncanny outer worldly sounds and alien physical modeling. I am by no means an expert in synthesis, but I feel like my nativity has helped me to approach the blofeld in a way that feels more like a conjuring. I go into it having a vague idea of what I want, and it usually gives me an approximation of that idea, but more often than not, it takes me to strange uncharted places-
Basically, it’s a world builders synth, which isn’t always what one needs. I wouldn’t recommend it if you’re trying to use it for those “bread and butter” sounds. There are better synths for that.