I can not update my existing apps or download any new one either. I checked my software is up to date with the IOS 15.1 and my credit card information is correct so I don’t know what it could be.
Hey there, and welcome to Apple Support Communities, Donutkillmyvibe!
From our understanding, you are unable to download or update your apps. We can certainly understand your concern and can help provide some insight.
To start, check out all the steps in this article: If you can’t download or update apps on your iPhone or iPad - Apple Support
If you have tried each step in that article and are still unable to download or update, the next step would be to reach out to Apple Support here: Contact Apple Support