If you wanna hop on a discord call (username Vospi), I could help you out;
Just from the mp3s:
• your Vital patch sounds like it has a "sub wave" in it. So it's something like a square an octave down, or similar tricks with odd harmonics that "add to the saw". So, in short, be sure to replicate that.
• if you keep all OSCs with the locked phase, they don't "snap out" from each other and are unable to form the "stereo randomness" + "pitch randomness" that you're likely used to, cause you stop the note early enough for that to happen.
You probably had the click because you "asked" the OSC to just stop and start again. Start again from "phase 0". Which is, combined with the stacked waveforms with locked phases and maybe some processing, gives you the click. It's just a sudden jump of amplitude "as requested".
Like, if you have a bunch of detuned waveforms, but they all start at phase 0 and you pluck them short enough, they won't "have enough time to show that they are detuned", if that makes sense. They do have stereo, but it's always locked to "one variant" out of hundreds of different sum variants, and it might be one the "less lucky" ones. You might even cancel one wave with another, it's that much less bass.
Bump up the phase spread; press the FREE button (top left).
Serum, Massive, Vital have their OSCs run "free" by default. Some synths, like Phase Plant, opt for the phase locked approach. Both have their pros and cons. So that would make sense that you wouldn't account for that.
I'm envious.
