iPhones and iPads are essential and fun tools to use everyday – thanks primarily to the vast library of over a million apps.
But you may not realise that some iPhone and iPad apps are busy harvesting private information stored on your device.
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Many apps track your location, copy your contacts, monitor your web browsing, and even record call numbers.
Fortunately, Apple lets you control how apps access your data or location in iOS 8 and higher.
Check the terms and conditions of apps
Apps must ask your permission the first time they want access – you’ll see a pop-up on screen saying what it needs to access.
Think carefully about which apps you allow to use your personal data. Once permission is given, you’re then subject to the app developer’s terms and conditions. Read these first, so you know how your data may be used.
However, some iPhone apps need access to this information in order to work properly. For example, the Facebook app needs to use your device’s camera so that you can take and upload photographs directly to your Facebook page. And, your map app won’t be able to plan a route to a given destination if it doesn’t know your current location.
A good guideline is if the app needs access to data in order to complete its main task – such as show your location on a map – then you should consider granting it permission.
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Changing app permissions
Whether you tap 'Allow' or 'Don’t Allow' when an app first asks permission, you can still change your mind later.
Tap Settings > Privacy to change permissions. Here you can select different kinds of data from this list to see which apps have asked for permission to use that data, and which have been granted permission.
You can add or remove permission from any app that has asked for access to data.
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Understanding Location Services
'Location Services' let apps access your iPhone or iPad’s cellular, wi-fi, Bluetooth and GPS signals to pinpoint your location, so that they can provide targeted information or services.
For example, a weather app will provide the forecast for your town, while a restaurant app will give details of places to eat in your local area.
You can disable 'Location Services' on your iPhone or iPhone entirely, which stops any app from knowing your location. However, this limits the ability of many apps to provide relevant information.
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Alternatively, you can grant permission for individual apps to use 'Location Services'. You’ll see a pop-up window on screen requesting permission the first time an app tries to access your location.
To change permissions at any stage, tap Settings > Privacy > Location Services and select an app. You’ll see options including 'Never', 'Always' and 'When In Use'. Tap the permission you’d like to allow for that app. 'Never' will prevent that app from accessing your location, 'Always' allows access, even when the app isn’t in use, and 'When In Use' limits access to when you’re actively using the app.
For more tips and useful information, browse our technology articles.