For an app that claims to value privacy, I cannot understand why their data and analytics gathering requires your search history and browser history, combined with your full name, phone number, and email address. All fully identifiable. I can understand why they’d need a purchase history from cards like Amex to make sure that points are maximized, but this is Apple purchase history. Another unnecessary bit of tracking. The only analytics done that’s not personally identifiable is your financial data and I’m sure that’s because Apple would stop them.
I know there’s more unnecessary tracking, but I can’t see the summary while leaving a review. All-in-all, Kudos probably works and works well, but the real product is the consumer to the advertisers, and there’s a lot of info to sell. That’s where they make their money.
Update: the devs claim that adding _any_ Safari extension requires consent to browser history, etc., but that’s not consistent with other extensions (Amplosion in particular) that are Safari extensions but the AppStore explicitly state don’t track at all.
Not to mention they didn’t address at all the Apple purchase history portion. That’s pure tracking for ad-targeting.