Apple Subscriptions VS Sift

See "Managing prices" under https://developer.apple.com/app-store/subscriptions. Source: about 1 year ago

From the 2nd year onwards Apple charges 15% for subscriptions, not 30%. Source: over 1 year ago

Apple and Google have great documentation if you need more information. - Source: dev.to / over 2 years ago

> I feel like these marketplaces could maybe justify 30% on the purchase of an app up front, where there are clear benefits to the exposure and platform offered by them. But ongoing revenue is really attributable to the app itself and feels to me much harder to justify. It’s not 30% of ongoing revenue though. You only have to pay 30% in one situation: you are already earning millions of dollars in the App... - Source: Hacker News / over 2 years ago

They may be using something like Sift for security checking and something of yours was flagged. Source: over 1 year ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago