That looks like it's SwitchBoard, not iOS. Users do not have access to the internal Apple test software. As for Rhapsody, that looked decent, it had a similar

That looks like it's SwitchBoard, not iOS. Users do not have access to the internal Apple test software. As for Rhapsody, that looked decent, it had a similar vibe to A/UX where it looks like Mac OS Classic but runs Unix. Perhaps you are referring to Kodiak or Cheetah, but those were pretty GUI-consistent at that time. Granted, up to Panther it was just Aqua and getting it to work consistently and performant, but I don't think it was ever in the state that this RavynOS is. That's mostly because NeXTStep as a foundation already had an existing GUI that was consistent. RavynOS is having a bad presentation because it looks like some sort of odd partially-done theme based on CDE/Motif.