Apple Inc. accused the European Commission of using “political delay tactics” to postpone new app policies as a pretense to investigate and fine the iPhone maker. The company responded preemptively to reports the commission is preparing to cite Apple as the reason behind the recent shutdown of Setapp, a third-party app marketplace that is closing next month. The developer, known as MacPaw, cited “still-evolving and complex business terms that don’t fit Setapp’s current business model” for the de...