Red, green, repeat: how Droptiply finds the weak facts today
Droptiply is in the App Store. A look at how the app decides which times-tables fact comes next – and why an 1885 discovery sits behind it.
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Analog before digital: the learning design behind Tinu Time
Eight stages, a geared clock, and a deliberate refusal of time pressure: how Tinu Time teaches children to tell the time, one hurdle at a time.
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Why reading a clock is so hard – the first ideas behind Tinu Time
An analog clock asks a surprising amount of a child all at once. The didactic hurdles we had to understand before we designed Tinu Time.
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From flashcards to falling blocks: how Droptiply's game idea took shape
Why the blocks in Droptiply fall – and why their dimensions are the problem itself. On the didactic decision behind the game mechanic.
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Why we built a times-tables app
The story behind Droptiply: why fluent times tables decide so much of a child's later success – and why no existing tool trained the kind of recall that actually matters.
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What's really inside PflegeMate – built for the first months
412 terms in 10 languages, with audio pronunciation, example sentences and fully offline. A look at the decisions behind PflegeMate.
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The power of five: why children should see quantities instead of counting them
Six dots as 5 and 1 rather than six separate dots – why this grouping in fives is the quiet engine behind confident arithmetic, and runs through all our apps.
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Number Decomposition: 8 = 5 + 3 – The Key to Fast and Secure Calculation
Why number decompositions like 8 = 5 + 3 are central to mathematical thinking and how parents and teachers can promote this competence.
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Care in a second language: the real hurdle is the technical vocabulary
Many care workers speak good everyday German – and still hit a wall the moment things get technical. Why PflegeMate starts exactly there.
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Our first app: what Zahlzerlegung taught us about didactics
Zahlzerlegung was the beginning of Lernwunder. A look back at the decisions that shaped that first app – and became the blueprint for everything since.
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Welcome to Lernwunder
Learn more about Lernwunder and our mission to make education and care accessible in many languages.
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