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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 chat, no browser, no account and no data collection. Ready-made card sets can be bought, and further down it says how to block that for a child.

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. Separately from that, the App Store states that the app offers in-app purchases; the 4+ rating is unaffected.

  • No advertisingNo ad network, no ad slot, no sponsored content. There is no place in the app where anything could be shown.
  • Purchases only through the Apple accountNo subscription, no unlocking, no currency. The full range of features is there from the first launch. The only things on sale are ready-made card sets from 0.99 euros each, and every purchase runs through the Apple account and its safeguards.
  • 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 your child's data and what does not

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.

The app also brings one finished card set with it, the capitals of Europe. The deck store holds more from 0.99 euros each, French from A1 to C2 among them. Those sit inside the app as well and are not fetched from the network.

For parents

There is exactly one thing in this app to block, and only if you want to: buying ready-made card sets. Family Sharing offers Ask to Buy for that, and Screen Time can switch in-app purchases off entirely. There is no advertising, there are no contacts and no links to the outside.

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

Next: Privacy.