Learn the “Be taught extra…” hyperlink at:
Settings >> Privateness and Safety >> Monitoring
You possibly can disallow apps to request to trace, and in that case, they are going to be blocked from accessing the Promoting Identifier.
There may be additionally this assertion, nevertheless it’s unclear what information it applies to:
App builders are accountable for making certain they comply along with your
decisions.
There are additionally statements about sorts of sharing that aren’t thought of monitoring.
There’s a related assertion at:
https://assist.apple.com/en-us/102420
Should you select Ask App To not Observe, the app developer can’t entry the
system promoting identifier (IDFA), which is usually used to trace.
The app can also be not permitted to trace your exercise utilizing different
info that identifies you or your system, like your electronic mail
handle.
Some Apple privateness protections are enforced in OS code, some are enforced at app evaluation time. The diet label and the ask apps to not monitor management are one of the best total assets for controlling entry to the Promoting Identifier, however although it’s disallowed it’s potential an app can use different means like system fingerprinting to trace you. so one of the best answer is to not use apps you don’t belief, or apps from a developer you don’t belief. In all circumstances, decrease the quantity of private info you share with an app. And every time potential, use a privacy-friendly net browser somewhat than an app for much less leakage.