How to Stop App Tracking on iPhone

Apps constantly try to follow your activity across other companies' apps and websites to build a profile on you. You can shut this down in seconds.

To stop app tracking for all apps on your iPhone, go to Settings > Privacy & Security > Tracking and turn off Allow Apps to Request to Track. This immediately blocks new tracking permission requests, prevents newly denied apps from accessing your device's advertising identifier (IDFA), and treats all future tracking requests as automatically denied; if you previously allowed some apps, iPhone can also prompt you to ask them to stop tracking.

This single switch manages Apple's App Tracking Transparency (ATT) framework. It severely reduces cross-company data sharing for targeted ads, lowering trackability rates drastically. However, ATT is just the first layer of device privacy. Here is exactly how to lock down your iPhone tracking, location, and data permissions.

Key Takeaways:

Global kill switch: Toggle off "Allow Apps to Request to Track" to automatically deny all new advertising trackers.
Tracking vs. Location: Stopping ad tracking does not stop GPS tracking. You must configure Location Services separately.
Web privacy: App settings do not protect your web browsing. You must also enable Safari's cross-site tracking prevention.

How to Turn Off App Tracking for All Apps

Flipping the global switch is the fastest way to stop cross-app tracking. Go to Settings > Privacy & Security > Tracking and switch off Allow Apps to Request to Track.

While off, your iPhone blocks new tracking permission prompts entirely. Any app that attempts to ask is automatically denied. Furthermore, Apple will prompt you with an option to ask previously approved apps to stop tracking.

If you later turn this toggle back on, the next app that requests access will display the standard permission prompt.

How to Turn Off Tracking for an Individual App

If you prefer granular control, leave the global toggle on and manage permissions individually.

In Settings > Privacy & Security > Tracking, review your list of installed apps. Turn off the toggle next to any app you want to restrict.

This list only displays apps that have explicitly triggered a tracking permission request in the past. If an app never asked—or if you had the global toggle off when you installed it—it will not appear here.

What "Ask App Not to Track" Actually Blocks

Tapping "Ask App Not to Track" prevents the developer from accessing your iPhone's IDFA (Identifier for Advertisers). Apple's developer guidelines also prohibit developers from tracking you using other identifying information (like your email address) for targeted advertising or data broker sharing.

However, ATT limits cross-company tracking, not all data collection. Apps can still collect first-party data based on your in-app behavior.

What ATT blocks:

Access to your iPhone's IDFA.
Cross-company targeted advertising.
Ad measurement tied to third-party data.
Selling your profile to data brokers.

What ATT does not block:

First-party behavior tracking within the app itself.
Contextual ads native to the app.
Location, microphone, or camera access (handled separately).

Why You Still See Ads (And How to Stop Apple's Ads)

Denying tracking does not remove advertisements; it makes them less personalized. Without your cross-app data, networks serve contextual ads based on what you do inside that specific app.

Apple runs its own advertising ecosystem completely separate from ATT. (support.apple.com) To turn off Apple's personalized ads:

Go to Settings > Privacy & Security > Apple Advertising.
Turn off Personalized Ads.

This reduces targeted ads inside the App Store, Apple News, and Stocks. It will not decrease the total volume of ads you see, but it stops Apple from using your account data to target them.

How to Turn Off iPhone Tracking Location

Many users confuse app tracking (advertising data) with location monitoring (GPS). To protect your physical location, audit your Location Services app by app.

Go to Settings > Privacy & Security > Location Services. Do not shut the master switch off, as this breaks core iOS features like Maps, weather, and Find My. Instead, tap each app and assign the appropriate permission level:

Never: For games, calculators, or tools that do not need location.
Ask Next Time Or When I Share: For intermittent use, like ride-sharing or scooter rentals.
While Using the App: For delivery, transit, or weather apps.
Always: Reserve this only for trusted family safety apps.

Turn off Precise Location: Switch this off for any app that only needs to know your general area (like a local news or weather app). This feeds the app a broad geographic radius rather than your exact coordinates.

Reduce Safari Website Tracking

App tracking settings do not cover your web browser. To limit third-party cookies and cross-site tracking scripts on the web, you must configure Safari.

Open Settings > Apps > Safari (or Settings > Safari on iOS 18.1 and older) and verify that Prevent Cross-Site Tracking is on. This setting instructs Safari to isolate tracking scripts and prevent them from following your native browsing sessions.

Audit App Data With App Privacy Report

To see exactly what your apps are doing behind the scenes, enable the App Privacy Report.

Navigate to Settings > Privacy & Security > App Privacy Report and turn it on. Use your phone normally for a few days, then return to this screen.

The report logs the past 7 days of activity, revealing which apps accessed your location, camera, photos, or microphone. It also logs the specific web domains your apps contact in the background. If a flashlight app is pinging dozens of external servers, delete it immediately.

Why Can't I Turn On App Tracking on iPhone?

If the "Allow Apps to Request to Track" setting is greyed out, you cannot adjust it. This occurs under specific conditions mandated by Apple:

Child Accounts: How to turn on app tracking on iPhone under 18? You can't. Apple strictly locks this setting off for child accounts and any user whose birth year makes them under 18.
Managed Devices: If your iPhone is managed by a school or employer, a mobile device management (MDM) profile is likely blocking changes.
New Accounts: Apple Accounts created within the last three days are temporarily restricted.

If you are an adult and not on a managed device, check your Screen Time limits. Go to Settings > Screen Time > Content & Privacy Restrictions, then under Privacy ensure both Apple Advertising and Allow Apps to Request to Track are set to Allow.

Worried About Personal Monitoring?

If you suspect a person is tracking your iPhone, rather than an advertiser, use Apple's Safety Check tool.

Go to Settings > Privacy & Security > Safety Check. This feature allows you to use an Emergency Reset to instantly sever all location sharing with other people, reset system privacy permissions, and review connected devices to secure your personal safety.

Frequently Asked Questions

Should I allow tracking on iPhone?

No. For maximum privacy, keep tracking denied. App developers are not allowed to force you to enable tracking to use their core features. Denying tracking protects your cross-app data without breaking the app.

Does turning off app tracking affect how apps work?

Generally, no. ATT only restricts cross-company data sharing for targeted advertising and measurement. Your apps will continue to function normally, you just will not see highly targeted ads based on your activity in other apps.

No. App Tracking Transparency stops advertising data sharing. Location Services controls your device's GPS. Find My controls who can see your physical location. These are entirely separate settings and require separate configuration.

Taking control of your data takes less than five minutes. By learning how to stop app tracking on iPhone, dialing in your per-app location permissions, and auditing your background activity, you dramatically shrink your digital footprint. If you browse on a desktop computer, consider pairing these mobile habits with a dedicated browser ad-blocker to maintain your privacy across all devices.