Kopfrechnen Quiz

App Logo
Privacy Policy
This privacy policy is based on the provisions of the Federal Data Protection Act of the Federal Republic of Germany.
In the following, we inform you about the type, scope and purpose of data collection and use.


Collection and processing of data
No data is transmitted from your device to us. All information is stored exclusively locally on your device.


Use and disclosure of personal data
Personal data is never transmitted to us or to third parties.