There are no more 'Free' apps on the Apple App Store. And not just because every no-cost app by definition requests you to pay 69P to buy 'Charms' so you can trade for 'Dollarz' to get new features for your 'Gem' generator.
There are still free apps. But now they're 'Get' apps. You get them by pressing 'Get' You find them in the 'Free' charts.