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App Tracking Transparency (ATT)
Cupertino, California, United States · Founded 2021
AAPL
Sourced & current · updated Sep 28, 2026
Apple’s iOS framework, enforced from iOS 14.5 in April 2021, that requires apps to ask permission before tracking users across apps and websites.
Where they sit
Dominant iOS privacy enforcement mechanism with no direct competitor on the Apple platform; sets the de facto standard for mobile app tracking consent on iOS globally.
Ownership
Parent: Apple Inc.