How To: Lock Any App on Your iPhone Behind Face ID, Contact ID, or Your Passcode for Further Privateness & Safety

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Apple does not provide a native way to lock apps on your iPhone behind Face ID, Touch ID, or your passcode. For a long time, we’ve wanted that option for improved privacy and security, but Apple does allow developers to use its authentication protocols. Apps like Messenger, Outlook, and WhatsApp give the option to lock …
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