Asken Diet Premium membership is available on Android and iOS devices as an in-app purchase. You will purchase Premium membership directly through your Google Play or iTunes account. There you can pay in-app purchases via many methods. More information about the accepted payment methods are available on the websites of Google and Apple.
Note: If you upgrade to Premium membership, the payment will be charged through your Google Play or iTunes account during purchase confirmation. The subscription will be auto-renewed shortly before the subscription period ends, maintaining the same price and subscription type you previously purchased, unless you unsubscribe no later than 24 hours before the subscription ends. Subscriptions can be managed through your Google Play or iTunes account after purchase. It is not possible to refund a subscription or cancel a subscription during the current period.