If you are one of those who frequently interact with Apple’s in-app purchase system or mobile Internet payments, you may be in danger. In reality, there are some times when someone borrows your phone and racks up lots of in-app purchases.

Luckily, there are some simple workarounds that help you prevent unintentional or unauthorized purchases on your iPhone, iPad or iPod Touch. Here is how you do it.

How to prevent other people from making unauthorized purchases on your iOS devices

1. On iPhone/iPad

Step 1: Head to Settings > General > Restriction.

Step 2: Enter your Restrictions passcode to activate the feature. If this is the first time you have used Restrictions, tap Enable Restrictions at the top, and create a restrictions passcode that you will use to adjust restricted settings.

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Step 3: Scroll down to the bottom and toggle the In-App Purchase switch to the left to disable unintentional purchases on your iPhone/iPad.

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Besides, to prevent other purchases, you can turn off the iTunes Store , iBook Store and Installing App in Restrictions, or you can remove your payment method from the Apple ID account that you use to purchase apps and contents from the App Store.

2. On Apple TV

Step 1: Go to Settings > General > Restrictions. If you have never used Restrictions, you can activate it by typing in a 4 digit passcode and select OK.

Step 2: Under the heading labeled iTunes Store. Choose your level of protection for purchases, rents and in-app purchases on the iTunes Store and tvOS App Store.

Step 3: Select Allow to authorize all purchases, Restrict to require a four-digit passcode before making payments, or Block to disable all purchases.

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Note that you can use the settings for Purchase & Rental to subscribe contents, and purchase music and apps.

Besides, you can go to Settings >Accounts > iTunes & Store > Password Settings, and select require Password to keep in-app purchasing secure with an Apple ID password.

3. On Mac

Step 1: Open System Preferences on your Mac.

Step 2: Click App Store.

Step 3: Select Always Require in the Purchase and In-app Purchases section.

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Step 4: If you want to turn off iTunes Stores, open iTunes, choose Preferences > Restrictions, and tick the box next to Allow access to iTunes U, and click OK to save the changes. (To prevent further changes to iTunes Restrictions, click the clock icon and enter the administrator password for your Mac).

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Step 5: You can disable access to iBook Store by heading to System Preferences > Parental Controls, and click the clock icon and enter an administrator name and password. Besides, you can create a user account to restrict access and click Enable Parent Control.

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Step 6: Choose the user account, click the Store tab and tick the box next to iTunes Store, iBook Store in the Disable section to stop this Mac account from making purchases on these stores.