Answer questions from various categories to test knowledge and learn new . Receive explanations for correct answers. Test intuition with guessing challenges. Track progress and review performance.
Truthfulness with interactive questions and matching features like name, photo, fingerprint, and date of birth. Play pranks by comparing answers to real data. Share results for humor.
Detect lies by voice or facial analysis during a scan. Tap to start the test, speak or point the camera at your eyes. Adjust results to prank others. Share scans with friends.
Two buttons allow users to select or . Choose from themed packs including romantic, college, and Halloween. Share responses in iMessage conversations. Add new packs regularly with updated challenges.