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6 min readOnline safetyHonesty

What parental controls can and can't do

What screen time apps can control on a child's phone, which limits phone makers set, and why we tell parents about them.

Parental control apps are often sold with big promises. What they can do is more modest, and it helps to know that before you rely on one. Below is what this kind of tool does well, where it falls short, and how Koby handles it.

What works well

  • Time limits and schedules. Daily budgets for chosen apps, and pauses during school or at night, are well supported on modern phones.
  • Pausing apps on demand, for dinner, homework or a family outing.
  • Basic web filtering. Blocking adult websites in supported browsers is useful, especially for younger children.
  • Knowing where the phone last was. A recent location, with its time and accuracy, can help in everyday situations.

Where the limits are

  • Inside apps. Web filters work on websites in supported browsers. They do not filter what happens inside games, video apps or social networks. Many of those apps have their own parental settings, which are worth setting up too.
  • Messages. On iPhone, apps cannot read other apps' messages. Some services offer message monitoring under specific conditions; Koby does not read messages at all, by choice.
  • Removal and resets. No app can guarantee that a determined child never removes it or resets the phone. A good tool notices when protection stops and tells you.
  • Location. Phones report location when the system allows it. That means a location can be minutes or hours old, and it should say so.

Built-in tools are a good start

Phones come with their own controls: Apple's Screen Time on iPhone, iPad and Mac, for example, offers time limits, downtime and content restrictions. For some families, that is enough. Apps like Koby add a parent panel in any browser, extra-time requests with a reason, separate parent accounts and a status that shows which controls are working.

Why we say “can't verify”

The worst outcome for a parent is believing protection is on when it is not. So Koby shows each control as Active, Partial, Off or Can't verify, and marks a rule as “applied” only when the device confirms it. “Can't verify” usually means the device has not reported for a while, for example because it is off or offline. Ask your child about it before assuming anything.

What no app can do for you

In a 2025 Pew Research Center survey, 42% of U.S. parents said they could be doing a better job managing their children's screen time (Pew Research Center). Apps can handle the daily routine. For everything else, your child needs to know they can come to you. If you are curious what Koby will and won't do, our safety and privacy page lists it plainly.