Archive
This is where you can take part in what we are working on, such as user tests of new apps. Taking part is voluntary, and we never ask for your name or email address.
What happens to your answers is explained in our privacy policy.
Ongoing
Design survey · app prototypes
Happy Bowl
Four designs for an app for dog and cat owners. Try each one briefly, rate it and pick your favourite, in English, German or Farsi.
about 6–8 minutes · since November 2026
Take part
