They are the same, just that the renewal usually goes overseas, issues with copyrights. Rapid lash just produces them in both formats, but they're the same.
Rapidlash renewal helps to germinate new strands of eyelashes while the enhancing one helps the old lashes to grow more longer and thicker so their not the same.
Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them