No. Think it through: free apps would not be able to afford the rent, so they would need a discount. Then in the limit all apps would become free, so as to ge

No. Think it through: free apps would not be able to afford the rent, so they would need a discount. Then in the limit all apps would become free, so as to get the discount. But some apps would be making a killing with external payment methods, while other apps would be making nothing. Meantime Apple would also be making nothing. I would think Apple has thought about this.