20 klangsquares challenge your ears. Which bird is singing? Which composer is playing? Can you fit proverbs together? Recognize foreign languages? Place your smartphone with the klang² app open in the middle, place a klangsquare on the Nfc reader and prick up your ears: Let's get started with your acoustic game collection!
"klangquawhat?"

Aha! klangsquare!
With a combination of analog (klangsquares) and digital (your smartphone) you will experience a new game genre with endless possibilities.
Today, every klang2 set already contains 11 games. Let yourself be surprised by new games, they appear automatically in the app!
klang² from the violin maker or from the bookbindery
What customers say:

Not just another mobile game...
...but an invention with a vision. Imagine a games collection with hundreds of games from all over the world. That's what we are working on.
Who we are

Sebastian Oberlin
Sebastian Oberlin, born in 1980 in San Francisco, CA, learned to play the violin at the age of 4. After training as a violin maker in Milan, he runs his own studio in Freiburg, Germany. His path crossed with Adrian on a walk in the forest in 2017...

Adrian Rennertz
Adrian Rennertz is a media artist, musician and programmer from Ulm.
After studying media informatics in Cologne, he first worked in Berlin before moving to Freiburg where he turned his favorite project klang² into his main job.
Team
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Ellie Lutz
Online shop management + customer support + photography
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Polina Oberlin
Communication + social media
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Eli Watts
Production + Quality Control