Lie Detector Test: Prank

Is your friend telling the TRUTH… or a total LIE? Place a finger on the scanner, ask any question, and let the Lie Detector Test reveal the verdict — the ultimate party prank! Lie Detector Test turns your phone into a hilarious polygraph machine. Watch the animated scanner work with dramatic sound effects, a glowing readout, and a heart-pounding TRUTH or LIE reveal. Your friends will swear it's real! YOU'RE IN CONTROL • Use Customize Mode to pre-set the next results in any order • Or leave it on Random for a genuine 50/50 surprise • Set up the perfect prank before you hand over the phone SO REALISTIC IT'S SCARY (but it's all in good fun) • Authentic fingerprint scanner with a suspenseful hold • Animated polygraph waveform, radar rings & countdown • Realistic scanning sounds and haptic vibrations • A dramatic glowing TRUTH or LIE verdict THE PERFECT PARTY GAME • Settle arguments and "loyalty tests" with friends & couples • Made for sleepovers, game nights, road trips & TikTok videos • Ask the juicy questions — "Do you have a crush?" "Did you eat my snack?" • Watch their face the moment the verdict drops WHY YOU'LL LOVE IT • Free to play — prank in seconds, no setup • Slick sci-fi neon design • Endless laughs every single time Go Pro to remove ads and enjoy a smooth, uninterrupted experience. DISCLAIMER: Lie Detector Test is a prank and entertainment app for fun only. It does NOT detect real lies, truth, or any biometric data — all results are generated for entertainment. Enjoy responsibly and always let your friends in on the joke! Privacy Policy: https://thirtythreeapps.com/ios-lie-detector-test-privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download Lie Detector Test now and find out who's REALLY lying!