$50 isolation transformer vs $10 ground lift?

[kenshone]

What could justify the cost of something like this Blue Jeans Isolation Transformer compared to a $10 ground lift? Will there be an audible difference? https://a.co/d/ddDWx52

 

[Lambda]

What could justify the cost of something like this Blue Jeans Isolation Transformer

Small series manufacturing in the USA.
quality components.
Customer service.
...

compared to a $10 ground lift?

Waht is a "$10 ground lift"?
normally a ground lift refers to a isolated (lifted) grund and not a device.

Will there be an audible difference?

maybe.