So my Snapchat accidentally delete and now it won’t redownload but all other apps will download what do i do

Check for it under the App Library. Next to the last page of the Home Screen. If it is in the App Library Touch, Hold and Drag the icon to Home Screen. That's it.

If you can't make purchases or update apps, including free apps, you need to update your payment method or add a new one. If you already verified that a payment method is available in your country or region and you're still having trouble, learn more.