Parental controls allow adults to set limits on their child’s smartphone use, and they serve as “training wheels” to help kids and teens build healthy tech habits.After testing 14 parental-control options on both iOS and Android devices, using them to manage our kids’ daily screen time, we’re confident that Apple’s Screen Time is the best option for iOS households, while Google Family Link is best for Android households with kids under 13.Qustodio is the better choice for Android households with children 13 and older, or if you’re looking for additional features such as setting more than two screen-time schedules. If you want notifications and closer monitoring of your child’s iPhone, we also have additional options.