Klappzahl

Klappzahl support

Find initial answers here and learn which details help us with a support request.

Back to the Klappzahl app page

Frequently asked questions

Quick help

What age is Klappzahl suitable for?
[PLACEHOLDER: Recommended age group and learning prerequisites]
Which devices support the app?
[PLACEHOLDER: Supported devices and operating-system versions]
How can progress or settings be reset?
[PLACEHOLDER: In-app reset instructions]
The app is not responding as expected. What can I do?
Restart the app and, if necessary, the device. Also check that the latest app version is installed. If the issue remains, the details listed below will help us investigate.

Personal support

Write to info@yarulu.com.

Helpful details:

  • Device model and operating-system version
  • installed Klappzahl version
  • brief description of the issue
  • steps that reproduce the issue
  • screenshot, provided it contains no personal data