Business leaders like Snap's Evan Spiegel and Barry Diller are conflicted about the App Store as Tim Cook takes the stand

Barry Diller said Apple overcharges "in a disgusting manner" on its App Store. Spiegel said Snap is "happy" to pay the 30% fee and said the firm wouldn't exist without Apple. The comments come as Apple defends itself in a trial that focuses on if its App Store is a monopoly.