What's the difference between Norton Utilities Premium and Ultimate?

What is thje exact difference between Norton Utiliies Pemium and Ultimate. Get fed up with smart scan saying to subscribe to ultimate after every scan.

[Edit: Clarified subject]

Norton Utilities Premium
https://us.norton.com/norton-utilities
Norton Utilities Ultimate
https://us.norton.com/norton-utilities-ultimate

Introducing Norton Utilities Ultimate!
Norton Utilities Ultimate builds on Norton Utilities Premium with enhanced features that help improve overall device functionality.

New Product Features added to Norton Utilities Ultimate: 
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https://community.norton.com/en/blogs/product-service-announcements/introducing-norton-utilities-ultimate