I have seen "audiens" is a competitor
https://www.amazon.com/gp/product/B00XNJSG88/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
they seem to have a better rating though
https://www.fakespot.com/product/the-audiens-tinnitus-pill-natural-remedy-for-tinnitus-symptoms