We're building a reader app, and are curious about one thing with the new External Link Account Entitlement. We don't have a plan for in app purchases to start, or account creation for that matter, but we're going to quickly add that functionality. Can we run an A/B test to determine which method is better for our users or do we need to pick before we have any knowledge? This part of the FAQ leads me to believe we cannot run an A/B test, but I thought I would ask. Can I use the entitlement in an app that offers in-app purchases to link out for account creation and management on the web? Apps that offer in-app purchases on iOS or iPadOS are not eligible for the entitlement.