How often perform girls hook up on dating websites? The response varies greatly. In respect to one review, 33% of girls have sex on the first come across. Sixty percent of female Tinder users state looking for a meet, and 9% report conference potential spdate app beaus in bars. What is the reason for this happening? The study also reveals that girls are more likely to take part in sexual activity with guys that they meet by using a dating iphone app than men are.