Cash App takes platform security as its first priority and does allow anyone to misuse the app or its services. Unfortunately, kids or anyone who is below 18 years old can't order a Cash App card. But this doesn’t mean your kid can’t use a Cash App Card. kids can use it but they are allowed to use it under their parents supervision. Parents have to set up a kids account and have to order a Cash App Card on behalf of their kids. This is a legal way to get a Cash App Card under 18 following Cash App policies.