What if there is no line to unsubscribe from an app before the subscription ends.

If you don't select one of those subscription choices, the subscription will end and not renew.

M1 Mac mini, macOS 12; Watch, series 5 GPS/cellular, watchOS 8; iPad Pro 2nd Gen, iPadOS 15; iPad Air 2, iPadOS 15; iPhone 12 Pro, iOS 15; TV 4th Gen, tvOS 15; HomePods, audioOS 15 and Airport Express w/ Airplay 2

I have a subscription that seems to be auto renewing weekly, and my subscription management setting will not allow me to non-renew. AdBlox VPN