The days are gone when you have to remember the password or have to draw a pattern to unlock your phone. It’s 2018 and biometric applications are dominating the whole smartphone industry. Now, there are 3 most popular yet secured ways to log in to your smartphone other than the old methods like usual passwords, swipe, pin code and pattern options.

These are the fingerprint sensor, face recognition and a dedicated iris scanner up front.

Fingerprint Vs Face Recognition Vs Iris Scanner

Both the face recognition and iris scanner cannot be active at the same time, so you have to choose one. This implies that the front camera sensor actively reads the object up front at the time of screen awakening so in order to clear the confusion for the sensor that what it conceives to unlock i.e. face recognition or eye pattern, the developers refrain from using both the technology at the same time.

These three technologies you can use to unlock your devices, to know more extensively about these latest technologies, check out the full article:

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Fingerprint Sensor:

With the introduction of a fingerprint sensor to smartphones, everybody was quite excited. It has not only ensured your security and access to you but also the access time has become rapid. You can register your fingers and thumbs along with other people too.

Fingerprint Sensor

The Fingerprint Sensor is the exciting feature and now most of the smartphones have it as well. A fingerprint is unique for each person, there is no reason for a security breach. Although, some researchers found that it is not as secured as stated and that is why they created artificial Masterprints and interestingly they were 65% of the time right and matching the real prints.

In real life, it is not possible for normal people to repeat this procedure as it requires a magic glove with a Masterprint and much efforts to make it done successfully. But, overall fingerprint sensors are safe and more preferable over PIN for quick access and security reasons.

Apple Touch ID

Touch ID is the new biometric fingerprint authentication named by Apple. With the Touch ID, you can unlock your iPhone using the home button and make your purchases at the iTunes store authorized. It uses the backup and restores method utilize by iCloud to authenticate and make it quick to unlock. iPhones take very less time with touch ID along with good accuracy.

Which iPhones Have Fingerprint Sensor?

Touch ID was introduced with iPhone 5s in 2013 and after that, iPhone 6, 6s, 6s Plus, SE,7, 7 Plus, 8, and 8 plus have taken it. The models such as iPad mini 3, iPad mini 4, iPad Pro models, iPad Air 2 and iPad 5th-gen also own it. Touch ID pad is also seen in the MacBook Pro with Touch Bar.

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Face Recognition:

Face Recognition in a smartphone is primarily about scanning your face to unlock the gadget. The front camera on tech gadget scans the image of a face, make your face like you are taking a selfie with a close-up look to make it scan your face.

Face Recognition

It is really quick. In Galaxy S8, you just need to wake the display rest it will unlock the smartphone for you and amazingly, you do not require swiping unnecessarily. It is really fast that you will doubt and put smartphone at some distance to see it was really unlocked. It is really impressive and much quicker than fingerprint sensor.

Although, it is also mentioned that it does not go into detail while recognizing the face so the false matches are as well possible.

Apple Face ID

Apple Face ID is much safe and secure as compared to the Samsung Galaxy S8 and couldn’t be hacked with a picture. iPhone X uses TrueDepth camera configuration in Face ID which experiences 30,000 infrared dots to scan your face in 3D.

Which iPhones have Face ID Feature?

Only iPhone X from the Apple has Face ID feature till now. Face recognition features uses the True Depth camera in front of the iPhone X. This camera is made with several components to take a 3D image of you. The Dot Projector considers a number of invisible dots on the face which creates a detailed map to create various contours.

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Iris Scanner:

Iris Scanner delivers additional biometric security layer to operators. Iris scanner works on eye lenses and a user has to place the eyes in front of a camera. It is not as quick as the face recognition biometric as it takes some seconds to adjust and unlock the gadget in a correct position.

Iris Scanner

Interestingly, the Galaxy S8 shows the camera with two circles mentioning where to place the eyes. This scanner is not very fast but highly secure as a replica of eyes is not possible.

Galaxy S8 is a premium handset with infinity bezels launched previous year to target the high-end customers. The smartphones are equipped with 4GB RAM and have 2 variants including Galaxy S8 Plus.

Here Is Comparison Between Touch ID (Fingerprint) And Face ID (Facial):


Fingerprint Sensor

Face Recognition


High stability and not affected by age

Medium stability and may affect by age


Must be in touch with the device

Can detect from distance as well


Highly accurate

Low accurate


Unique, no repetition

Low distinctiveness, may consider the twins the same


Used in authentication and identification

Used in public applications and surveillance


User permission is required

User permission may not necessary


The user needs to present a biometric sample of touch to unlock

No contact is necessary


High confidence level and high-security

Low confidence level and low security


Medium acceptability

High acceptability


Not fooled easily

Can be fooled


Medium universalist

High universality


Use hardware and software

Only software based


Medium collectability

Highly collectible