Sorry to have missed this. First, props that Blink is indeed superior in that it actually works.

My recollection is that the primary way Termius "feels better" is the pre-terminal UI (configuring hosts, etc).

But I'm still a daily Blink user, so I don't 100% recall what Termius did to make me think it was nicer, I just remember that scrolling was fucked so I gave up on it.