Your iPhone privacy settings are mostly gathered in one place, Settings then Privacy & Security, and a short review there can noticeably reduce how much apps learn about you. The biggest wins are limiting location access, refusing cross-app tracking, trimming access to photos and contacts, and hiding sensitive information on the lock screen.
Menu wording can shift slightly between system releases, so if you cannot find an option, use the search field at the top of Settings.
Review location services
Open Privacy & Security and choose Location Services. You will see every app that has asked for your location, with its current setting. Typical choices are Never, Ask Next Time Or When I Share, While Using the App, and sometimes Always.
- Choose While Using the App for navigation, weather and transport.
- Choose Never or Ask Next Time for anything that has no real need to know where you are.
- Treat Always with suspicion. Few apps need to follow you in the background.
Many apps also offer a Precise Location switch. Turning it off gives the app a rough area rather than an exact point, which is plenty for most purposes. The list will also show a small arrow when an app has recently used your location, so you can spot surprises.
System services
At the bottom of the Location Services list is a System Services entry. It includes items such as location-based suggestions and significant locations. Looking through it lets you switch off features you do not want, and you can clear the history that your device keeps of places you visit often.
Control tracking and ads
Apps can ask permission to track you across other companies’ apps and websites. In Privacy & Security, the Tracking screen lets you refuse all such requests at once by turning off Allow Apps to Request to Track. Doing so means apps are told you declined without prompting you each time.
Apple also offers an option for personalised ads in its own services, found under the Apple Advertising entry in the same area. You can switch it off if you prefer less tailored advertising. The wider picture of how companies follow you around is covered in how websites track you online.
Trim access to personal data
Under Privacy & Security you will find categories such as Photos, Contacts, Calendars, Microphone, Camera, Bluetooth and Local Network. Tap each one to see which apps have access.
For photos, the system lets you share only selected pictures instead of your whole library. That is usually the right choice for an app that only needs to upload one image. For contacts, ask whether the app truly needs your address book, because it contains information about other people who never agreed to share it.
Local Network access is easy to overlook. It controls whether an app can see other devices on your home network. Leave it on for apps that manage things like speakers or printers, and off for the rest. A fuller explanation of permission logic is in our app permissions guide.
Safari, notifications and the lock screen
In Settings, open Safari and look at the privacy options. Preventing cross-site tracking and hiding your IP address from known trackers are worth enabling if available. You can also clear history and website data from the same screen.
For notifications, choose Show Previews and set it to When Unlocked or Never. That stops message text appearing for anyone who looks at your phone while it is locked. Under Face ID & Passcode (or Touch ID & Passcode on some models), review what can be reached from a locked phone, such as Control Center, wallet items or reply-with-message features, and switch off what you do not need.
Use a passcode of at least six digits, or a custom alphanumeric one, instead of a short code. More detail is in our lock screen guide.
Check the rest of your iPhone privacy settings
| Area | What to look for |
|---|---|
| Location Services | Apps set to Always, precise location where not needed |
| Tracking | Allow Apps to Request to Track switched off |
| Photos and Contacts | Full access given to apps that need only one item |
| Analytics and Improvements | Sharing options you may prefer to turn off |
| Safari | Tracking prevention and clear history options |
| Lock screen | Previews, passcode strength and accessible features |
There is also a Privacy & Security report area in recent system versions that lists recent sensor activity and which apps have used permissions. If your device offers it, it is a quick way to notice odd behaviour. And do not forget Find My: leave it on, because it helps you locate or lock the phone if it goes missing.
A VPN can protect your connection on unfamiliar Wi-Fi, but it does not change what apps on your iPhone collect, so it complements these settings rather than replacing them.
Where to start
If you only have ten minutes, do these three things in order: turn off tracking requests, move every Always location entry to While Using or Never, and set notification previews to When Unlocked. Then work through Photos and Contacts at your own pace. For more practical device advice, see our device security section.
Frequently asked questions
Where are most iPhone privacy options found?
Most of them sit in Settings under Privacy & Security, with more in the individual app entries further down the Settings list. Safari, Messages and notifications each have their own privacy-related options as well.
Does asking an app not to track me stop all data collection?
No. It stops the app from using the system's cross-app tracking identifier, but the app may still collect data about what you do inside it. Review permissions too.
Is it worth sharing approximate location only?
Yes, for many apps. Weather, news and shopping apps rarely need your exact position, and approximate location reveals far less.
Do I need to repeat these checks after updates?
It is sensible to look again after major updates, because new features sometimes add new settings or reset how an option is presented.
