I can’t download apps and my payment method keeps failing

I keep getting notifications that I don’t have enough funds

If you can't make purchases or update apps, including free apps, you need to update your payment method or add a new one. 

See ⤵️

Add money to your Apple ID balance

Add money to your Apple ID balance – Apple Support (UK)

• add funds to your Apple ID balance.

Change, add or remove Apple ID payment methods

Change, add or remove Apple ID payment methods – Apple Support (UK) 

• set you Apple ID balance as default payment method.

If you update your payment method or add funds to your Apple ID balance, It would take about 1 to 3 business days in order to process.

If you're still unable to update your payment method, Contact Apple Support.

Click here for more support and assistance.