LieQ - Real Lie Detector
Heuk Kim Entertainment iPhoneiPadiPod touch
LieQ - Real Lie Detector is a free Entertainment app for iPhone and iPad by Heuk Kim. Rated 5.0/5 from 2 ratings. Requires iOS 13.0. Updated March 28, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 61 MB
- Age 17+
- Updated
- Mar 28
- 2026 · v1.0.2
Screenshots
About LieQ - Real Lie Detector
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
What’s new
Version 1.0.2 · Updated March 28, 2026
Bug fixes and performance improvements
Alternatives to LieQ - Real Lie Detector
Looking for apps like LieQ - Real Lie Detector? Here are 6 similar apps on the App Store. The highest rated is SusAI - AI Lie Detector Test (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| LieQ - Real Lie Detector | 5.0 / 5 (2 ratings) | Free | March 28, 2026 | |
| Polygraph AI: Lie Analysis | – | Free | Aug 19, 2026 | Compare |
| TruthScan AI - Lie Detector | – | Free | Aug 12, 2026 | Compare |
| SusAI - AI Lie Detector Test | 5.0 / 5 (5) | Free | Sep 23, 2026 | Compare |
| Lie Detector Test | 4.2 / 5 (38) | Free | Oct 7, 2026 | Compare |
| Lie Finder | 2.6 / 5 (5) | Free | Apr 26, 2026 | Compare |
| Lie Detector: Use Voice Test | 4.2 / 5 (32) | Free | Feb 7, 2026 | Compare |