Info:
Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. No cancellation of the current subscription is allowed during active subscription period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.
To manage your subscriptions or turn off auto-renewal:
Go to settings -> iTunes & AppStore.
Tap your Apple ID at the top of the screen.
Tap View Apple ID ( You might need to sign in or use Touch/Face ID ).
Tap Subscription.
Tap the subscription you want to manage.
Use the options to manage your subscription.
If you have queries, Contact Support or send a mail to support@braincraftapps.com.