About this app
Start the scan your fingerprint and say something to see if it is true or a lie. Place your finger on the scanner area and allow scanner begin. Laser Xray will go throught your finger. Use the prank features to fool everyone with this fake lie detector test. Instruction for prank mode: Start by touching and holding friend's finger down on the scan area. First time you see a random result. On result screen tap on the left side of button for “False", and on the right for "True". Pressing the restart button will give a random result. Features: • DUO mode: Now you can use this app together with a friend. And find out who's lying! Just Have fun! • Modern interface design • Immersive haptic feedback • Prank mode for more fun expirence Disclaimer: This application is only a prank trick for fun. it's not a real polygraph lie detector.
Latest release
What’s New
Meet the big update of Lie Detector Test Duo! What's New: + Adding DUO mode: Now you can use this app together with a friend. And find out who's lying! Have fun! + Completely updated modern interface design + Added various languages + Aadded haptic feedback + Optimized stability
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Aug 10, 2026 · 2:30 PM Free
Screenshots
