The Real Lie Detector: Revealing the Truth and Detecting Deception | Prank your friends and family with the help of a prank application - a real polygraph.


Thanks to the latest developments in technology and scientific research, a real lie detector has appeared,
which simulates the operation of a real detector and can help you determine whether you are being told the truth or being deceived.

Detector, polygraph, lie scanner, prank detector, real polygraph - all these names refer to tools and devices created for the purpose of detecting lies and deception.

The technologies behind them are based on scientific research related to human physiological manifestations and behavior.

One of the most common methods is in the form of a voice detector. Based on the analysis of the sound characteristics of the voice, this system is able to determine the changes that occur in a person when he is lying.

Also, a real polygraph examines a person using additional physical indicators, such as a fingerprint.

Fingerprint lie detector is a technology designed to detect changes that work based on the study of changes in heart rate,
heartbeat and other physiological manifestations that occur in the body when a person is lying.


If you want to have fun in the company of friends or loved ones, play a prank on them and find out whether they are telling the truth or a lie - this free and modern application will help you prank them!

Using a real lie detector simulator is very simple:

📌 You can say the phrase out loud.
📌 You can use fingerprints.
📌 To make fun of your friends before scanning your finger, discreetly tap on the secret buttons in the corners of the screen. The right buttons always give "truth", and the left ones always give "false".
📌 Wait for the realistic scanner and find out - is it true or not?


Ask questions, press secret buttons, have fun and laugh at the results you get with our application - a real fingerprint lie detector.