IDFA
A device-level advertising tracking identifier built into Apple devices, used to identify devices and support precise ad targeting across apps and websites. Since the introduction of ATT, user authorization is required before it can be accessed.
Timeline (last 90 days)
The technical core of ATT is access control for the IDFA (Identifier for Advertisers), with the logic reversed from opt-out to opt-in, requiring apps to explicitly obtain user authorization before accessing the IDFA.
ATT requires all apps to present a system-level permission dialog to obtain explicit user consent before tracking user behavior or accessing cross-app device identifiers such as IDFA.
The advertising identifier is called IDFA on iOS and GAID (Google Advertising ID) on Android, and is a unique string assigned to each device by the mobile operating system.
All Facts (3)
The technical core of ATT is access control for the IDFA (Identifier for Advertisers), with the logic reversed from opt-out to opt-in, requiring apps to explicitly obtain user authorization before accessing the IDFA.
50%UnverifiedATT requires all apps to present a system-level permission dialog to obtain explicit user consent before tracking user behavior or accessing cross-app device identifiers such as IDFA.
50%UnverifiedThe advertising identifier is called IDFA on iOS and GAID (Google Advertising ID) on Android, and is a unique string assigned to each device by the mobile operating system.
50%