You can get PREMIUM through the Zattoo app on your iPhone / iPad as an in-app purchase. All other additional subscriptions available at Zattoo must be bought through the Zattoo Shop directly. Additional pay bundles are not available via iTunes App Store.
When buying a subscription, please make sure that you are logged in during purchase with the email address (Zattoo account) on which you want to activate your subscription.
Once you have purchased your TV channel package, it will be available on your Zattoo account across plattforms, e. g. also on your iPhone / iPad. You might need to re-login to the Zattoo app.