Ask your friend a question, place a finger on the screen, and let the finger scan simulation reveal a playful Truth or Lie result. It is simple, fast, and made for harmless laughs with friends and family.

Use it at parties, game nights, sleepovers, or whenever you want to create a funny moment. Ask questions like “Did you eat the last slice of pizza?”, “Are you hiding a secret?”, or “Did you cheat in the game?” and watch everyone react to the result.

Features:

Finger scan prank simulator

Truth or Lie results

Random result mode

Manual result control from settings

Fun scan animations and effects

Easy to use with friends and family

Great for parties, jokes, and casual games

Want to control the prank? Choose the result in settings and decide whether the next scan shows Truth or Lie. Or keep it random and let the app surprise you.

Lie Detector Test - Polygraph is designed for entertainment only. It is a prank simulator and does not detect real lies, emotions, biometric data, or truthfulness. Use it only for fun.