Subscription fee will be charged when the trial end, you can change or cancel the subscription anytime you want. And it will automatically renew unless you turn off the subscription before the current period ends. If you want to cancel your subscription, please go to the Subscriptions on Google Play.
Please go to your Google Play App ->Menu ->My Subscriptions, Tap the related app's restore subscription button.
We reserve the right to adjust the pricing for its products and services in the future.