Cancelling subscription on the Apple Store (iOS/iPadOS) :
You can cancel your auto-renewal subscription from your Apple account.
To disable an auto-renewal subscription on an Apple mobile device (iOS/iPadOS):
Settings iPad/iPhone > Your account > Subscriptions > Select one > Deactivate
Cancelling subscription on the Apple Store (macOS) :
To cancel your subscription with a Mac, follow this link.
Please note: do not cancel before the end of the 7-day trial period if you want to keep the Premium option. On the other hand, if you don't want to subscribe, you must cancel before the end of the 7th day, so you won't be charged.
Cancelling subscription on Google Play Store (Android) :
You can cancel your auto-renewal subscription from your Play Store account.
To deactivate an auto-renewal subscription on an Android mobile device:
Follow this link to find out more.
Please note: do not cancel before the end of the 7-day trial period if you want to keep the Premium option. On the other hand, if you don't want to subscribe, you must cancel before the end of the 7th day, so you won't be charged.