Yes, it is. If you don't cancel it, it will automatically renew to a paid subscription.
Your subscription is tied to your Apple ID. You can only cancel your subscription through your iPad's Settings > iTunes & App Store > Your Apple ID / Name > Subscriptions.
Through this flow, you can manage all your Subscriptions.
For more information, please have a look at the related page at support.apple.com.
Sign in to your Account on the website - tap on the three dots next to your current subscription and tap on cancel. You'll need to confirm the cancellation again. Please note, this will turn off automatic renewal and you won't be able to turn it on again.
In case of website purchases
please write an email to firstname.lastname@example.org and we will refund your purchase from our side.
We grant refunds only if requested within 14 days from the subscription start date.
PayPal refunds typically re-appear in your account within 48 hours of requesting the refund. Refunds via credit card typically take 3-5 working days to credit back into a your account.
In case of App Store purchases
In case of an App Store purchase, you can ask for a refund the following way within 14 days of your purchase: