I recommend installing the free demo version just before getting and check the necessity for session management. The OC Session Manager module is mainly intended for OpenCart three. Opencart stores some user info (language, currency, cart, and so forth.) in PHP classes. OpenCart can store this details in two ways: https://gtmetrix-alternative94949.blogsvila.com/31959003/rumored-buzz-on-tomatocart-vs-opencart