Loupe – A iOS app that raises awareness about what native apps can see
Loupe is an open-source iOS app designed to demonstrate how third-party applications can collect device fingerprinting data. The app provides users with a raw look at the information their device exposes to trackers.
Why it matters
It highlights growing concerns regarding digital privacy and the extent of data exposure on mobile operating systems.
Loupe is an iOS and iPadOS app that gives you a hands-on tour of the device fingerprinting surface. It reads real values from public iOS APIs, the same ones any third-party app can call, and shows them to you raw. The point is simple: see what your iPhone quietly exposes, and why each reading helps an app recognize you again.
The article provides a technical overview of a privacy tool without taking a political stance.
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