Do I have a balance on iTunes

Check your Apple ID balance -

Check your balance on your iPhone, iPad, or iPod touch

1. Open the App Store app.
2. Tap your photo or the sign-in button  at the top of the screen. You might be asked to sign in with your Apple ID.
3. If you have a balance, the amount appears below your name. If you don't see an amount, you don't have a balance.

Create and add money to an iTunes Pass - (this will appear in Wallet app)

Create and add money to an iTunes Pass

The funds that you add to iTunes Pass at Apple Stores and select retailers credit directly to your Apple ID.

At Apple Stores and select retailers, you can add funds to an iTunes Pass. You can then use those funds to make purchases from the App Store, iTunes Store, or Apple Books, or for iCloud storage.

If you're not at an Apple Store or select retailer, you can also add funds directly to your Apple ID using the payment method that you have on file.