Polygraph: Lie Detector Prank

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Contains adsIn-app purchases

About this app

Polygraph: Lie Detector Prank is a joke app for friends and parties. Ask a question, let your friend put a finger on the screen, and watch a prank lie detector test run before the verdict appears.

It is a prank: the app does not read the body and cannot tell the truth from a lie. You choose a random result, or set it yourself in custom mode.

What you can do
• Run a prank polygraph test: your friend keeps a finger on the screen until it is complete
• Random mode: the prank result is chosen at random
• Custom mode: decide the result of the prank yourself
• Repeat the prank test as often as you like
• Sound and vibration make the prank feel real

Good to know
This lie detector is a prank for entertainment only: it does not measure anything and does not detect lies. The app interface is in English. The app shows ads, and an optional VIP purchase is available.

Ask a funny question, start the prank, and enjoy the faces.

What’s new

First release.