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.

  1. Go to phone Settings
  2. Click iTunes & App Store
  3. Click Apple ID at top of screen
  4. Click View Apple ID
  5. Click Subscriptions
  6. Click desired app
  7. 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.