[SmarsJerry]

I think they are requiring apps on their store use ads provided by their store as well though.

[TheCleric]

They are not. For example Unity has their own ad network for Unity made games to use (even on Apple devices).

[tanjtanjtanj]

They are not, as far as I can tell (as someone who is breaking this rule were it to exist)

[badwolf]

This is not true.