-Payment will charged to your iTunes account at confirmation of purchase and any unused portion of a free trial period, if offered, will be forfeited when a subscription to that publication is purchased.
-You may turn off the auto-renewal of subscriptions through your Account Settings, however you are not able to cancel the current subscription during its active period.
You will be charged for renewal within 24 hours of the end of the current period, for the same duration and at the current subscription rate for the product.
Within the app users can purchase the current issue and back issues.
-The subscription will renew automatically unless cancelled more than 24 hours before the end of the current period.