Glossary

Child account — an account registered to a minor with the platform's own protections applied, as opposed to an adult account with restrictions added. Substantially more capable, and the single setup decision that matters most.

Content filtering — blocking categories of material at the network or the device. Effective against accidental exposure in younger children, weak against a determined teenager, and prone to blocking health and support resources when set too strictly.

Device handover — the point at which a young person takes over their own settings, spending and limits. Planned, it teaches something; unplanned, it happens by circumvention or by a row.

Digital literacy — a child's ability to judge what they are seeing and what to do about it. The protective factor that travels with them, unlike any setting.

Family account — a group linking a parent's account to a child's, carrying settings across devices and routing approvals. The foundation of the device and store layers.

Monitoring — observation the child knows about. A rule, which can be discussed and outgrown.

Safe search — filtering applied to search results, set at the account rather than in the browser so it follows the child across devices.

Surveillance — observation the child does not know about. Associated with reduced disclosure and with damage on discovery; the distinction from monitoring is disclosure and nothing else.

Terms the market uses loosely

"Parental control" covers four unrelated mechanisms — filtering, restriction, time management and reporting — sold as one thing. Ask which one a product is actually good at.

"Keeps your child safe" is not a claim. Ask what is measured and against what.

"Undetectable" identifies stalkerware. A parental tool has no reason to hide from the child.

"Complete visibility" describes message and screen capture, which is the category this collection recommends against for ordinary concerns.

How the collection is arranged

Foundations: what controls do, why age matters more than strictness, what the evidence supports.

Layers: router, operating system, app store, individual services, and where each fails.

Ages: under five through sixteen and over, and the handover.

Risks: content, contact, conduct, commercial, and where controls do not reach.

Practice: family accounts, screen time, school devices, circumvention, two homes, several children.

Boundary: monitoring against surveillance, messages, location, what the child is entitled to, and stalkerware.

Devices: first phone, consoles, televisions, tablets, hand-me-downs.

Help: when something has happened, pornography, bullying, signs, where to get help.

On the absence of numbers

No effectiveness percentages are quoted. The research base here is thin and contested, and vendor figures generally describe filtering accuracy rather than safety outcomes.

No screen time thresholds, because the popular ones circulated widely without ever being well established.

And no legal specifics, because they differ by jurisdiction and change.

What this changes

Knowing what the market means by its own terms makes its claims readable, and the term undetectable in particular identifies a category to avoid entirely..

The check

Read one product page with these definitions in mind.

The claims become legible, and the gap between what is promised and what is described becomes obvious.

How to read these notes

Start with the age section if the child is young, the boundary section if monitoring is being considered, and the help section if something has happened.

Nothing here is legal advice, and nothing replaces a professional where a child may be at risk.

Worth knowing

No screen time thresholds are quoted here because the popular ones circulated widely without being well established, and repeating them would lend them a weight they have not earned.

One more thing

Products are configured for the most anxious buyer because that is who converts, which is why the defaults are more invasive than a considered parent would choose.