After Touch ID and Face ID, Apple wants to use your heart to unlock the iPhone

© Apple

Since the launch of the iPhone X , Apple uses Face ID to unlock the iPhone. This feature replaced Touch ID which used the user's fingerprint to verify their identity. While FaceID has established itself over the years as the feature key to the Apple ecosystem (it was introduced on iPad and Mac more recently), it is not an end in itself.

Indeed, Apple teams are looking for its replacement and they have found a very interesting candidate: your heart rate. If our heart beats (I hope for you at least), it does not do so in the same way from one person to another. We all have tiny nuances that are unique to us.

It is these microscopic differences in our heart rate that Apple would like to exploit. The brand with the apple filed a patent some time ago on this subject. It explains that owners of an Apple Watch could be recognized by Apple thanks to their ” heart signature “. In other words, it would be possible to unlock devices, access Apple Pay and other secure options, simply thanks to our heart.

In terms of user experience, the arrival of such technology would be a real game-changer. Face ID has already made it much easier to unlock devices, but the feature can sometimes malfunction (especially in winter when our faces are hidden by layers and layers of clothing), so using heart rate would be a universal solution, making the user experience even smoother.

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How secure is it ?

But of course, the introduction of this feature “ Heart ID ” is subject to many conditions. The first is whether the Apple Watch’s heart rate sensor is accurate enough to notice individual nuances in heartbeats. If so, how accurately will two people with extremely similar hearts be recognized as the same profile by Apple??

What about changes in heart rate, with new eating, sports or hygiene habits (cigarettes, contraception, etc.), a user's heart rate will be disrupted and will change throughout their life. How can Apple adapt to these changes ?

Confidential data ?

Finally, the last question, on a subject very dear to Apple, what will happen to the data ? For Face ID, the Apple brand explains that it keeps a “3D representation of our face” in its servers. Here we will be talking about our heart, a crucial piece of data for our health that could be sold at a high price to insurance companies, banks or anyone wanting to know whether or not we are in good health.

In any case, the arrival of “Heart ID” is not planned for the moment and the iPhone 16, which is scheduled to be marketed in September, should keep Face ID as the only means of biometric unlocking. While we wait to see “Heart ID” to make its arrival on the Apple Watch, the apple brand must answer all these questions.

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