The app to flirt, find a date, or discover new friends "at the local neighborhood bar, at a concert at Madison Square Garden or on a bus tour in Barcelona."
Skout said in a on Tuesday that it had set up its teen community for people aged under 18 about a year ago after it found a number of underage users were entering the community meant for people older than 18.
In each of the alleged rape cases, the men are accused of posing as teenagers in a Skout forum for 13 to 17-year-olds, The New York Times on Tuesday.
A 15-year-old Ohio girl said she had been raped by a 37-year-old man, while in another case, a 24-year-old man is accused of raping a 12-year-old girl in Escondido, California, the newspaper said. In the third case, a 21-year-old man from Waukesha, Wisconsin, is facing charges that he sexually assaulted a 13-year-old boy.
"We actively monitor and screen to ensure that the two separate communities for users 18+ and for teen users are kept distinct and that behavior is age-appropriate," Christian Wiklund, founder and CEO of Skout said in the blog post.