Data provided by user within application (like: weight and waist) is used only within app - it is not sent anywhere or shared with anyone.

Application is ads-supported and requires consent to display advertisements.
If user does not agree for non-direct finacial application support via in-app advertisements then he has option to purchase "PRO ads-free application version" before he processeds to main application content.
Applications uses App Tracking Transparency (ATT) and Identifier For Advertisers (IDFA) - user can choose whether he allows for (personalized) advertising tracking.

Application uses the service:
- AdMob/Google banner ads - http://www.google.com/ads/admob/ (https://policies.google.com/privacy)
- AppLovin ads - https://www.applovin.com/ (https://www.applovin.com/privacy/)
- Facebook ads - https://developers.facebook.com/products/app-monetization/audience-network/ (https://www.facebook.com/privacy/policy/)
- Firebase Analytics - application uses Firebase Analytics to anonymously report user's activity within application (https://www.firebase.com/terms/privacy-policy.html)