Many startups are still losing money at $1M ARR. So getting a bump up to 30% of revenue at $1M can be catastrophic.

Investors don't want large percentages of pre-profit money being siphoned off by Apple.

Generally speaking, an optimized win-win fee would be some percentage of profits, not revenue.

That might be far too difficult to manage, accounting wise. But we can safely say that 30% of revenue, would translate to an extreme percentage of profit. Apple is extorting from many companies.

One sign of anticompetitive behavior is when a company is leveraging things in their favor so hard, it seems quite plausible that they are actually harming themselves. Killing of developers, by charging massive fees even to money losing developers, is not a good long term strategy.

But the power to extract money even from those it causes real pain, is hard to turn down when quarterly numbers keep coming up.

Let’s look at the startups that YC funds. How many of them are selling apps in the App Store with in app purchases?