Single Issue - $3.99 (no automatic renewal)
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1 Year Subscription - $24.99 (automatically renewed until cancelled)
Your subscription will be charged to your iTunes account at confirmation of purchase, and will automatically renew (as specified above) unless auto-renew is turned off at least 24-hours before the end of the current period.
Current subscriptions may not be cancelled during the active subscription period, however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase.