Research

Original studies, with the raw data.

Each study says exactly how it was done and links its data so you can check every number.

Published 2026-10-17

What popular apps collect: an audit of App Store privacy labels (Oct 2026)

24 of 40 widely used iPhone apps say they use data to track you across other companies' apps and websites; 0 say they collect no data. App Store privacy labels for 40 apps in 8 categories, with CSV.