SMFJA is based on Subscription Manager for Joomla! version 2.0, but many functionalities/codes are changed to make it work with my other website. For example SMFJA transfers the payment data to PayPal different from the original.
Therefore, what SMFJA can do and how it does are different from the original.
If all the functionalities of SMFJA meet your requirements, please check out how SMFJA works at the demo site.
How it works