Popcorn is a site on apps.apple.com. It is cited by 21 pages in this directory and holds 5 pages here. Every number above is derived from the citation graph, never from crawled prose.

Fetisch (97 citations), Poppen (31 citations), Bumsen.com (21 citations), C-Date (21 citations), Dating Finder (21 citations), DieBoerse (21 citations), FickMeister (21 citations), Fremdgehen69 (21 citations), FET (21 citations), SugarDaddy (21 citations), Reife Affären (11 citations), F4F (0 citations) appear beside Popcorn on the same pages, most-cited first.

Or keep going. You can open apps.apple.com directly.