Turn off Advertising ID on Apple iOS 18
Advertising
Sensitivity 4/5
Default: Asks
Phones / Apple iOS 18 / Advertising ID
The operating system generates a unique identifier that third-party ad networks use to connect activity across different apps. Users can reset this identifier or delete it entirely through device settings.
- Goes to
- advertisers via the advertising ID
- Default
- Asks
- Control
- Can be switched off
- Effort
- a few seconds
How to do it
Open Settings, go to Privacy & Security, tap Tracking, and ensure Allow Apps to Request to Track is switched off.
Usually found under: Settings > Privacy & Security > Tracking
Menu names may differ by device and version.
What you lose
Apps are prevented from accessing your device advertising identifier (IDFA).
What is collected
Pseudonymous identifier, ad clicks, app installs, device identifiers.
It provides advertisers with a standard way to measure ad campaigns and reach specific consumer segments.
Retention is not stated here. The sensitivity rating is this site's own estimate.