Installable Web Apps (PWAs) function entirely within your browser, acting like any website you visit. As such, their behavior and tracking are governed by the app's or website's privacy policy. It's always important to read and understand the privacy policies of any site or app you use while browsing the internet.
Just like any website on the internet, installable web apps (PWA) may use browser APIs and request permissions for various features, including but not limited to: