Using Züs Subscriptions you can automate your yearly fees to make sure you don't miss any payment. To subscribe, choose "Card Payment" when you're proceeding to upgrade your storage.
Fig1: Subscriptions - Choose card payment
You'll then be redirected to the subscription page. Enter your card details to proceed to the subscription.
Fig2: Subscription - subscription page
Proceed to payment, and that's it! Now you're subscribed to Züs Storage.
To check your subscriptions, go to "Settings", then "Storage > Manage Subscriptions".
Fig3: Settings option
Fig4: Manage Subscriptions option
You'll then be shown a list of all your subscriptions. You can choose to cancel any of them anytime, just by clicking "Cancel".