Since the main goal of this app is to protect the user’s privacy there is not much to talk about, but I should still clear up a few things.
The data collected by the app
The app is not collecting any data.
The data shared by the app
The app does not share your data at all.
Handling of your data on the website
The website itself does not collect any data from you.
For any further question regarding how the app handles your data you can contact email@example.com.