Is jquery image zoom a subscription based product?

Q: I want to make a purchase for a license. But the payment pages say that this is a subscription based product that needs to be renewed. What does it mean? Do I have to pay each year full price?
I cannot find any information on your site. Can you please explain?

A: The Business License is for life, it also includes 1 year of free upgrades.

After your free upgrade period will expire, you will be able to upgrade your license
for only the 50% of the current license price or continue to use version you received as a
last free upgrade as long as you need it.

If you want an automatic renewal you should enable "auto-renewal" in the form.