Nonetheless, showing a product you can buy in the app That would be extremely bad, but that's not the scenario the original poster described. They had a Micro

Nonetheless, showing a product you can buy in the app That would be extremely bad, but that's not the scenario the original poster described. They had a Microsoft product in their App Store screenshots. There are countless e-commerce apps (Amazon, eBay etc) available for iOS that will happily let you purchase competitors' products. Also worth noting that you can get Microsoft apps in the iOS App Store and that some of these apps compete with Apple's own apps.