Privacy policy "Do it (with ads)

We don't collect information for own use.

Though work with third party service, these service providers collect usage data in compliance with their privacy policies:

Google AdMob: Do it (with ads) uses Google's AdMob advertising service. AdMob's privacy policy is available at https://www.google.com/intl/en/policies/privacy

see also

https://support.google.com/admob/answer/6128543