Samsung Kids is a great starting point. Swipe down your Quick Panel, find the “Kids” icon, and tap it to begin setup. You can set PINs, time limits, and choose which apps are allowed.
Pro tip: For more advanced control, the built-in mode is pretty limited. If you want to monitor social media chats or get real-time location alerts, you’ll need a dedicated app. I use Parentaler for that. It lets you set up geofencing and gives you a much deeper view into their activity, which is great for peace of mind.