what is the difference between the JUX megamenu extensions and the JUX module?

Hi.
Thank you for contacting us.
1. With JUX Easy Mega Menu, you can easy to see and change the layout style via the back-end like this: docs.joomlaux.com/extensions/jux_easy_megamenu/#backend

2. With the JUX Mega Menu, we have some preset layout, it doesn't support the live edit as the JUX Easy Mega Menu, but you can disable the responsive menu. The JUX Mega menu supported the submenu with a tabs style. You can check it on our demo.

The responsive and tab function doesn't appear on the JUX Easy Mega Menu.

If you still have the question, please let us know again.

Thanks.