That's the Javascript Maps API, first, and it only applies if you don't have an enterprise agreement anyways. You don't think Apple had a contract for mapping data independent of Google's pricing of their web API?
(for developers, AFAIK there has been no cost for using Map Kit in iOS or a MapView in Android)
(for developers, AFAIK there has been no cost for using Map Kit in iOS or a MapView in Android)