Real PPG Lie Detector — Analyze heart rate changes in real-time LieQ is the world's first lie detector app that uses real PPG (photoplethysmography) heart rate measurement. Place your finger on the rear camera, ask a question, and watch the heartbeat change in real-time. ▸ HOW IT WORKS Your body reacts when you lie. Heart rate increases, HRV changes — LieQ catches these micro-changes through 4 steps: 01. Flash illuminates your fingertip 02. Camera reads blood flow changes 03. Lying → Sympathetic nervous system activation 04. HRV fluctuation is detected and scored ▸ REAL MEASUREMENT, NOT FAKE • Real-time PPG waveform display • RMSSD / SDNN / HR weighted HRV scoring • Based on Scientific Reports 2024 methodology • Patent Pending — 3 patents filed ▸ 97+ QUESTIONS • 40 General questions — fun party questions • 57 Adult questions — couples & party mode • Write your own custom questions • Random pick button for each category ▸ IMPORTANT NOTE LieQ is an entertainment app. For ages 16+. Patent Pending · Based on Scientific Reports 2024