Handing your phone to your kid for a few minutes of game time shouldn't mean they end up three menus deep in your banking apps, emails or texts. That's a common enough worry that plenty of Galaxy owners go searching for a simple way to lock their apps, much like iPhone users can do. Well, Samsung doesn't offer one.
On an iPhone, the fix is a quick long-press and selecting Require Face ID. The app then won't open without a face or fingerprint scan. Samsung takes a different approach to this whole situation. Instead of a single toggle, Galaxy phones split the job between two tools: Secure Folder and app pinning. Neither one is a direct copy of Apple's version, but together they cover more ground. At the end of the day, the important part is that you'll be able to keep prying eyes away from apps they shouldn't have access to.
Samsung phased out a basic app lock option in favor of Secure Folder, a more robust system built on Samsung Knox, the company's security platform. Rather than just gating an app behind a password, Secure Folder creates an entirely separate, encrypted space on the phone. Apps placed there run as isolated copies, with their own data and sign-ins kept apart from the rest of the device.
That's quite the difference from how Apple does things since iOS locks an app in place, while Secure Folder essentially duplicates it inside a vault. The trade-off is setup time, because Secure Folder takes quite a few extra steps.
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