Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Fingerprint Lie Truth Detector Prank Screenshots

iPad

Fingerprint Lie Truth Detector Prank poster

iPhone

About Fingerprint Lie Truth Detector Prank

One of the best prank lie detector on the market. Made with material design.

WARNING Fingerprint Lie Detector is a prank app and does not actually scan your finger, but your friends and family won't know that now will they.

This app turns you and your smartphone into the finest lie detecting machine on the planet!

With this app you'll be able to put anyone, anywhere, anytime, on the spot about what they claim to be the truth.

Parents can use it on their kids, kids on their brothers and sisters, grandparents can use it on anyone they choose!

How to play:
Simply put your finger on the scanner, wait as the machine scans your finger, and wait for the machine to deliver your fate.

Lie detection, also referred to as deception detection, uses questioning techniques along with technology that record physiological functions to ascertain truth and falsehood in response. It is commonly used by law enforcement and has historically been an inexact science. There are a wide variety of technologies available for this purpose. The most common and long used measure is the polygraph, which the U.S. National Academy of Sciences states, in populations untrained in countermeasures, can discriminate lying from truth telling at rates above chance, though below perfection. They added that the results apply only to specific events and not to screening, where it is assumed that the polygraph works less we