This app will collect an email address and password from the user and this data will be used only for in-app authentication to allow the user to login to their account. The email and password will be stored in a Firebase database that may be located in the United States of America and so may be subject to the Patriot Act. Firebase's privacy policy can be read at this URL https://www.firebase.com/terms/privacy-policy.html.
This app also features ads using Google's child comapny AdMob and the developer of this app does not collect or share any data related to advertising or in terms of identifying the user besides the afore mentioned email and password that are only for verification purposes. Google's data collection policy for AdMob advertising can be read at this URL: https://support.google.com/admob/answer/2753860?hl=en&ref_topic=2745287.