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I think those apps are subsidized by your membership or accounts. They aren't services paid for by ads. But it might be better to use those in browsers with ad

• cle 5y ago
  That doesn't mean the apps aren't using analytics services that feed the data back to ad networks. Not only are these data useful for targeting ads to you later, they are useful for targeting to other people since they can be used to infer characteristics and behavior of similar people, which can then be used by advertisers for more precise targeting. There's an built-in conflict of interest with mobile platforms, both Google and Apple, who both run advertising networks that are incentivized to collect data on you to improve targeting, whether you look at ads or not. (It is helpful that Apple's core business is not advertising, though I still don't trust them.)