All of them.
Now assuming you’re talking about the App Store I don’t get your point anyway. For all platforms you’re gonna have to pay something at some point so all of them cost more than 0$.
The point is that you don’t need to pay if you’re hosting a github pages pwa. The backend costs are shared.
There’s a reason Apple got into the credit card business, the extra a fee for every transaction model has been their core for a very long time, it was natural.