If the purchase is available though any other service and the developer includes the external link in the app, then yes. It doesn’t even matter if the external links are used to make the purchase, just for the privilege the fee will be applied. It won’t apply to generic purchases that Apple in-app doesn’t offer.
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If the purchase is available though any other service and the developer includes the external link in the app, then yes. It doesn’t even matter if the external links are used to make the purchase, just for the privilege the fee will be applied. It won’t apply to generic purchases that Apple in-app doesn’t offer.