Blog · screens & little ones

App for a 3-year-old: how to choose, no ads and no traps.

The app stores overflow with "educational" apps for little ones, and a good many are advertising machines in disguise. Here is the six-criteria checklist that sorts the field fast, then an honest round-up, our own app included.

The 6 criteria that sort things straight away

  1. Zero advertising. Non-negotiable at this age: a 3-year-old cannot tell content apart from an advert.
  2. Zero surprise purchases. The model has to be clear to the parent: free, one-off purchase, or a plan that is shown up front. Be wary of "gems" and in-app currencies.
  3. Active, not passive. The child taps, chooses, succeeds; they are not watching things scroll by. That is the difference between a game and a video.
  4. A real ending. A session should finish on its own, with no mechanic that pushes the child to stay (streaks, daily rewards to claim, autoplay).
  5. Playable together. The guidance on screens all points the same way: at this age, the shared screen is the only one that supports language. A good app gives the parent a role.
  6. Minimal data. No mandatory account, no third-party trackers, GDPR respected. An offline mode is an excellent sign.

The round-up, honestly

Bayam (French, all-round) is the reference when it comes to ad-free early-learning content. Edoki Academy's Montessori apps are strong on first learning steps. On the Luxembourgish side, LLO.lu, the State's free platform, and LetzLearn do good work, but for adults and children who already read. And note that Duolingo, whatever you may hear, does not offer Luxembourgish at all. The most common case deserves its own answer: Duolingo, Luxembourgish and children who cannot read yet.

And Kawi, our app? It exists precisely because no app covered Luxembourgish for non-reading children aged 3 to 6. It is built on the six criteria above: no ads, a model shown clearly and valid for the whole family, active (listen, tap, succeed), short sessions with a real ending, designed to play with your child, offline. You can judge the substance for yourself: our first words with official pronunciation are a playable sample right in the browser.

The 2-minute test before you install: search the app's name plus "ads" in the store reviews, check the pricing model on the listing, and see whether aeroplane mode keeps it alive. Three signals, three minutes, 90% of the traps ruled out.

Luxembourgish for little ones, no traps.

No advertising, no traps, offline, played together. Free to start.

Discover the Kawi app

Your questions

What is the best language learning app for children?+
The one that passes the six criteria: no ads, no surprise purchases, active, with a real end to the session, playable together, light on data. Bayam and Edoki are good all-round references; for Luxembourgish for little ones, that is where Kawi comes in.
Is there a free app to learn Luxembourgish?+
Yes: LLO.lu, the State's free platform, for adults and readers. For a child of 3 to 6 who does not read yet, Kawi is free to start and works entirely through picture and sound, with pronunciation from the official LOD.lu dictionary.
Is there Luxembourgish in Duolingo?+
No, Duolingo has no Luxembourgish course. For adults and readers, use LLO.lu (free, official); for children of 3 to 6 who do not read yet, Kawi teaches through pictures and sound.
How much screen time for a 3-year-old?+
No screens before age 3, then short sessions that are active and shared. Quality matters more than the minute: ten minutes of a shared game beats an hour of passive videos.
Kawi ages 3-6

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