I think it’s a bit disingenuous to say that Apple is similar to Google, an advertising company simply because they make a small amount of money from advertisements in their apps (app store, news and stocks).
Apple generated $383.2 billion revenue in 2023, 52% came from iPhone sales
4 billion dollars is 1% of Apple’s total revenue in 2023
The majority of Google’s revenue is sourced from advertising:
In 2023, Google generated 237.85B in revenue in advertising, which represented over 77% of its total revenues of $ 307.39