Privacy Calculator

Calculator 100% free uses AdMob (by Google) to show ads.
AdMob uses the device's advertising ID to display personalized ads based on users' interests (which includes collecting and analyzing data).

The user can decide whether to view interest-based ads or random ads, and he can change his opinion in the app settings.

In addition to any data collected by AdMob, Calculator 100% free does not collect personal data.

Google Privacy Policy:
http://www.google.com/policies/privacy/
https://policies.google.com/technologies/partner-sites?hl=it