You can cancel all your subscriptions on your Apple ID by clicking this link.
You can also manage the subscriptions on your iPhone or other iOS device by following these steps:
- Go to Settings.
- Choose User Name, Apple ID, iCloud, Media & Purchases.
- Tap Subscription. If you experience any issues during this process, please contact Apple Support: at https://getsupport.apple.com or Subscribed App Customer Service.