The app may be free, but it has In-App purchases, so a payment method is required to download it. You can purchase an iTunes card and put it on your account and that will allow you to proceed:
Best,
GB
The app may be free, but it has In-App purchases, so a payment method is required to download it. You can purchase an iTunes card and put it on your account and that will allow you to proceed:
Best,
GB
How can I download apps again?