Each seller on Cratejoy has their own shipping and billing schedule for their product, so you can use the My Subscriptions page to check when your particular subscription renews.
In the upper-left corner of each subscription card, it will show you your next renewal date--that is, when you're being charged next:
The second tab on that page will let you view cancelled subscriptions, which will not renew:
The third tab will display gift subscriptions. These may or may not renew depending on which option you chose during checkout. Non-renewing subscriptions will clearly state that they do not renew: