Best way to have a subscription e-commerce page?

I have a client who has a site that has a normal e-commerce page but they also want to have a subscription based page where people can purchase a subscription.

I’ve heard of FoxyCart and Memberstack but which software is best to accomplish this one thing? Basically we just need users to be able to go to the subscription page, purchase a subscription, and manage their subscription through some kind of dashboard.

Here is my site Read-Only: LINK
(how to share your site Read-Only link)