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For children, schools and special education

Qardbox is rated 4+ in every country. This page explains why, and the reason lies in what the app does not do: no advertising, no purchases, no chat, no browser, no account and no data collection.

Why the rating is 4+

Apple's age rating questionnaire asks about content and about features. For Qardbox every content answer is “none” and every feature answer is “no”. The declarations were set through Apple's API on 18 August 2026 and read back field by field.

  • No advertisingNo ad network, no ad slot, no sponsored content. There is no place in the app where anything could be shown.
  • No in-app purchasesNo subscription, no unlocking, no currency. The full scope is there from the first launch, and a child cannot buy anything because there is nothing to buy.
  • No chat and no messagingThere is no service through which a child could be contacted. Cards are private and visible to nobody else.
  • No web accessThe app contains no embedded browser. There is no route by which a child ends up on the open web from inside the app.
  • No locationThe app never asks for location. Location services are not linked in at all.
  • No contact detailsNo name, no address, no phone number and no email address is collected. There is no field for any of it.

One clarification that is often confused: Qardbox is not in Apple's Kids Category. A 4+ rating is an age statement; the Kids Category is a separate part of the store with additional obligations. Qardbox is made for everyone, not specifically for children, and is therefore not listed there.

What happens to a child's data

Nothing leaves the device unless somebody turns on iCloud sync. The cards then sit in the private iCloud database of that same Apple account, so with the child or the family. There is no provider server, no account management and no analysis.

Sync is off by default. Anyone who changes nothing gets an app that runs entirely on one device. That is the factory setting, not an option you have to go looking for.

In the classroom

With no account and no sign-in, a device is ready the moment it has been downloaded. There is no set-up beforehand, no unlock codes and no class list for somebody to maintain.

The app works without a network. In a room without reliable Wi-Fi nothing about the lesson changes, because nothing is fetched.

There is no mechanism that pushes for more: no rewards, no leaderboards, no reminder when nothing is due. A session ends when today's material is done, not when a metric allows it.

For special education and accessibility

In classes that work with VoiceOver, Voice Control or very large type, learning software often fails on small things: a swipe with no alternative, text that gets cut off. Both were built for from the start here.

iOS Assistive Access provides a very calm interface, and Qardbox works there on the same set of cards. A pupil using it is at exactly the same point as everyone else in the group.

Which seven accessibility features Qardbox supports, and where their limits lie, is set out in full on the Accessibility page.

Where the material comes from

In lessons cards are usually written on the spot: typed in, loaded from a file, or drafted by an AI and then checked. The app shows a preview before every import, with the number of new and of skipped cards.

On top of that, 26 ready-made card sets are included, among them constitutional law in twelve languages and French from A1 to C2. They are part of the app and are not downloaded.

For parents

There is nothing in this app you would need to block, and therefore no parental control either: no purchases, no advertising, no contacts, no links to the outside. Whatever you want to govern, you govern with iOS Screen Time.

If you want to know exactly what is stored, it is set out in full in the app's privacy policy, in twelve languages: Privacy policy.

Next: Privacy.