Yes, you can absolutely use an (now widely known as the Apple Gift Card ) to buy or rent movies .
How do I use an Apple Gift Card on my Apple TV to rent movies? can you buy movies with itunes gift card
When you redeem the card, the balance is added directly to your . This credit is then automatically used for your digital purchases—including movies, apps, and music—until the balance runs out. How to Use Your Gift Card for Movies Yes, you can absolutely use an (now widely