In the longer term Apple has a bigger issue here (though related to GDPR) : being a US company it's effectively illegal in the UE.
And after several attempts to pretend that US laws like the Patriot Act that remove non-US citizen rights were compatible with the EU Charter of Fundamental Rights have been struck down by the Court of Justice of the EU (after the US has been caught violating these rights) it's starting to be hard to imagine what kind of agreement can possibly happen between the USA and the EU that would make US companies legal again...
And after several attempts to pretend that US laws like the Patriot Act that remove non-US citizen rights were compatible with the EU Charter of Fundamental Rights have been struck down by the Court of Justice of the EU (after the US has been caught violating these rights) it's starting to be hard to imagine what kind of agreement can possibly happen between the USA and the EU that would make US companies legal again...