In-app purchase problems often start with ordinary excitement. A child sees a reward, a skin, a booster, or a limited-time prompt, then keeps tapping because the game makes the next step feel natural.
The better approach is to shorten the path before the moment happens. Group games together, lock them outside agreed times, and review App Store access, in-app purchase flows, account changes, and other sensitive entries.
This is not about making the phone difficult. It is about removing choices a child is not ready to manage alone. If the phone is being used for a video, a lesson, or a call, purchase-related paths do not need to be open.
iPhone Locker is useful for creating a family-use mode where games, downloads, and system controls are managed together.