I checked what Samsung, Google, and Apple actually do with your face-unlock data

Released Oct 18, 2026, 11:45 AM EDT

Kanika started blogging about customer innovation in 2019 and has actually added to tech sites like Beebom and The Mac Observer. Throughout her journey, she covered a wide variety of subjects, consisting of Android, Windows, AI, and whatever Apple. She has actually been a faithful iPhone user because 2014, and owns an Apple gadget from practically every lineup. With an eager eye on the most recent patterns, she aims to assist users get the most out of their gizmos.
Beyond her love for composing, she is a deep scientist and a long-lasting student, constantly excited to check out the current developments and emerging innovations. With her enthusiasm for innovation and writing, she signed up with MUO in 2025 as a Freelance Tech Writer.
When not composing, she’s most likely attempting a viral Instagram dish or enjoying some thriller suspense on Netflix.

All of us unlock our phones lots of times a day without a doubt. Simply a look, a soft click, and we remain in. It feels so simple and easy, which is precisely why most folks do not think of where their face goes as soon as the screen illuminate, however it’s not something you need to disregard. Your face is not a password that you can reset if something fails.

I examined Apple, Samsung, and Google’s main paperwork to discover what each business shops, how it processes your facial information, and whether that details leaves your gadget– the finer information may amaze you.

What does face unlock information in fact suggest?

It’s not simply a photo of your face

When you established your facial ID, you may presume that your phone keeps an image of you someplace. Your phone compares that selfie with every image it catches when you open the screen. It does not occur like that. A minimum of, not in a manner that lets you open and take a look at that conserved selfie.

When you register your face, your phone captures and transforms it into a mathematical representation. Essentially, it’s a set of numbers that explains the distinct measurements and patterns of your functions. This is called a face design template or face design, and it assists the gadget acknowledge you.

Now, whenever you open your phone, it records a brand-new image and turns it into the very same sort of numbers for contrast. If they are close enough, your phone lets you in. The contrast is the entire technique, and how the design template is saved matters a lot.

Hardware likewise plays a crucial function in identifying whether you can rely on a face unlock system for delicate jobs like banking apps or mobile payments. Some phones job infrared dots to develop a depth map of your face, while others depend on the routine front electronic camera. Compared to the other, a depth map is much more difficult to deceive with a printed picture or video. We’ll talk more about this in coming areas.

How Samsung’s face acknowledgment shops your information

It utilizes secured biometric storage

Samsung’s circumstance is a little complex, primarily since its phones do not all manage deals with the exact same method. It utilizes a 2D camera-based system instead of a depth-based one. Samsung states it shops facial information in its on-device, hardware-isolated Knox security processor and does not publish your information to the cloud or Samsung servers. It’s likewise totally separated from the main Android os, so even if your gadget’s primary processor is jeopardized, the biometric information stays safe.

Samsung’s main page alerts that face acknowledgment is less safe than a pattern, PIN, or password, which is why Samsung normally does not permit you to utilize face acknowledgment to authorize payments. Samsung deals with face unlock as a benefit function initially and a security function 2nd, and it informs you so. If you own a Galaxy phone, a finger print is the more powerful security option.

How Google’s face unlock secures your information

Your Pixel’s face design remains on the gadget

Google states it keeps the face design firmly on the gadget in its protected hardware, secured by the on-device Titan M2 security chip. All processing likewise takes place in your area on your gadget. The images utilized for face unlock information aren’t kept as images, and they aren’t even shown Google services or other apps. You can likewise eliminate your signed up face design through your phone’s settings.

Google’s face unlock abilities differ in between Pixel generations. The Pixel 8 and more recent gadgets can license app sign-ins and monetary purchases, which is a level of trust most camera-only systems do not make. Older gadgets might have various abilities, which is why they just open the screen for you.

Google’s paperwork States that when you are in low-light environments or have sunglasses, Face Unlock may not work. It advises establishing a Fingerprint Unlock for a much better experience.

Apple’s Face ID is the most safe and secure of the 3

Your facial information remains in a secured environment

Out of the 3, Apple has the most regulated setup. Face ID utilizes the TrueDepth electronic camera system and the gadget’s Neural Engine to scan your facial geometry. It predicts countless undetectable dots onto your face and reads them with an infrared cam. This offers an in-depth depth map instead of a flat image. According to Apple’s security documentsFace ID information is encrypted and secured by the Secure Enclave, a devoted and separated hardware chip on your phone.

Apple likewise states iOS, apps, the user, and even Apple itself can’t access your face unlock information. The information never ever leaves your gadget and isn’t even consisted of in gadget backups. Apple’s Face ID system likewise adjusts in time. If your look modifications, Face ID can upgrade the kept design template; that’s how it works even when you do makeup or get a brand-new hairstyle.

Apple states there’s approximately a one-in-a-million opportunity a random individual can open your gadget with their face. Because the security level is high, Apple permits you to utilize your Face ID for Apple Pay deals and supported apps.

Samsung vs. Google vs. Apple

Let’s see how their face unlock systems compare

Based upon their released documents, here’s how the 3 makers compare.

2 things matter most here. All 3 business make the very same core guarantee that your face information remains on the phone. Second, your gadget’s software and hardware play an essential function in how safe the system is. You can utilize a strong passcode as an alternative and even utilize finger print authentication if your gadget provides it.

What occurs when you utilize face unlock with an app?

When a banking app or password supervisor asks you to verify your identity with your face, it does not get your biometric recognition. The app asks the os to run the check, and just gets the response: yes or no.

On an iPhone, apps utilize a system structure that deals with the entire exchange. On Android, apps utilize an integrated biometric timely that works the exact same method. In both cases, your facial design template remains locked inside safe hardware, and the app just is familiar with if that match prospered.

If an app utilizes your electronic camera for things like filters or third-party identity confirmation, that’s a different matter. These apps can record and process your face straight, according to their personal privacy policies. In this case, Apple or Google does not choose what takes place to it. You should examine an app’s personal privacy policy before you submit a selfie.

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