Lie Detector Icon

Lie Detector

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Lie Detector is an application for Android that provides you with the ability to make pranks on your friends.

Lie Detector Menu How it works

It is important to notice that this app does not give you a real tool for lie detection. It is only for jokes and it will not help you to find out if a person is telling the truth. 

It imitates a polygraph machine but you do not need any equipment and sensor, as it is not real. You only have to scan a finger of your friend and the result will be shown to you.

The interface of the app looks legit and imitates the detection process, so someone might believe it. You can choose the needed outcome before scanning the finger print and have fun with your friend.

There are also multiple high quality animations that make the app look more trustworthy. If the person is supposed to tell the truth, the green bulb is switched on. If you expect him or her to lie, there will be the red one.

You can find many apps with similar functions that help you to play jokes on people. For example, you may use Fake calls and Sms.


  • gives you the opportunity to prank people;
  • imitates the process of lie detection by scanning of the fingerprint;
  • you can manually choose the outcome you need;
  • free download for Android.
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Android version
Android 4.4+
Latest Version
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