phyphox has not disclosed specific data categories it collects, based on its official Play Store privacy label.
Extracted automatically from the developer's own privacy policy text -- not independently verified by Nomatra.
“The RWTH website uses plugins from the Google-operated YouTube site. Operator of the site is YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, USA.”
“These could be services used to install our app (Google Play, Apple App Store or F-Droid)”
“These could be services used to install our app (Google Play, Apple App Store or F-Droid)”
“These could be services used to install our app (Google Play, Apple App Store or F-Droid)”