Follow the herd: There are more people to sleep with in it. Culling data from 9,785 30-year-old users, OkCupid found that iPhone users had, on average, the most sexual partners compared with users of other smart-phone brands. Male iPhone users had an average of 10 sexual partners, while female iPhone users had 12.3. Male BlackBerry loyalists had 8.1 partners, and female BlackBerry users had 8.8. Sad male Android users had 6.0 partners, while their female counterparts had 6.1.