Appstore page not showing in google Results but Competitor with Similar Name

Ok following problem (maybe somebody has a suggestion because I'm out of my wits). We have an App named Hivemind and if you type in google "Hivemind app" our website is the first result. But every other link below is to an appstore of a competitor that has also an app called Hivemind. He actually appears twice in the search results and we not at all. I have the feeling that I drive a lot of organic traffic to his page which intensifies this problem. I'm especially curious why his app is listed twice at the frist ten search result with the same link. Any ideas what I could to boost our App store page visibility?