Note: This app is intended for entertainment purposes and does not actually detect if one is lying.

Want to catch someone in the act of lying in a fun way!? Well we've got the app for you! Introducing the Fingerprint Lie Detector.

Just ask your friend a question and get them to place their finger over the scan area. The app will scan the print, analyze it, and determine if they are lying!

Here's the trick though: You can control how the app behaves by going into your iPhone's settings. Set the mode to either random, always pass, or always fail. That way you can make it so you look like you're always telling the truth, while they're always liars! lol!