He will reiterate Apple's stringent commitments to user privacy, which no doubt will form part of the questioning at the hearing, with Mark Zuckerberg from Facebook, Jeff Bezos from Amazon and Sundar Pichai from Google also in attendance. The CEOs of the four companies testified before a House committee on Wednesday.
Apps including Prime Video, Altice One and Canal+ are all given preferential App Store rates for purchases as long as the apps have direct integration into Apple services such as Siri or its AirPlay 2 wireless speaker technology. He cited Google, Samsung Electronics Co and LG Electronics Inc as examples of competitors in the smartphone market.
Cook says Apple does not have a dominant market share in any market where we do business, as reported earlier.
Of course, the reason why Apple is in the firing line is the App Store.
When asked about Apple's App Store policies, Cook defended the company, stressing that its policies apply to all developers and that it has not raised the fees that exist for developers since the store was launched.
Even so, Prepare dinner claimed that for a "huge vast majority of applications" on the App Retailer, developers hold all of the revenue per sale, and "the only apps that are issue to a fee are those people where the developer acquires a shopper on an Apple unit and where by the attributes or services would be skilled and consumed on an Apple machine".
At the House hearing, Apple CEO Tim Cook was asked if the company would give other app developers the opportunity to bypass the 30% sales cut that it takes after it reached an agreement with Amazon Prime. "And they are vastly reduce than the 50 to 70% that computer software developers compensated to distribute their get the job done right before we introduced the Application Store".
In a statement to The New York Times, Apple said: "To ensure every developer can create and grow a successful business, Apple maintains a clear, consistent set of guidelines that apply equally to everyone". Cook will say he is here today "because scrutiny is reasonable and appropriate", but "we make no concession on the facts".