Parents guide to Snapchat- How Can You Control the Risks? How Can I Do When I Found My Teen is Sexting on Snapchat? Parents Need to Know about Snapchat Sexting According to Snapchat theme, sent pictures, videos, and SMS will disappear after few seconds, so they feel comfortable here.That’s why Snapchat is the fourth most downloaded app from iTunes. Do you know which apps kids are using? There are a large number of websites or apps for sexting, nowadays, kids do Snapchat sexting because they think this snapchat is the safest app for sexting. It means texting on a more extensive scale, and images are also attached with. Sexting means sending, receiving, or forward sex-related messages, pictures, or videos links from one mobile to another.