You can access your subscription information through Manage Subscription in device settings.
This page will tell you when your trial or subscription began as well as include a link to cancel your automatic renewal. For further details about trials and subscriptions through iTunes, please follow the steps below.
- Go to phone Settings
- Click iTunes & App Store
- Click Apple ID at top of screen
- Click View Apple ID
- Click Subscriptions
- Click desired app
- View subscription status
Note: If there is a Cancel Subscription button, that means your subscription is active; Otherwise, that means your subscription auto renewal has been already canceled. You can see the renewal date or expired date there.