---
title: "LieQ - Real Lie Detector - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 r"
---

# LieQ - Real Lie Detector — United States
> Real Heartbeat Lie Detection

![LieQ App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/33/02/4f/33024ff9-150a-c582-5e6f-33e366ddb38b/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Heuk Kim](https://apptail.io/developer/heuk-kim-yvbbRb)
**Category:** Entertainment
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** com.yeminizz.lieq
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0.2 (released 2026-03-28)
**Original Release:** 2026-03-25
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6760900744)
**AppTail Page:** [https://apptail.io/app/lieq-real-lie-detector-NMkz/united-states](https://apptail.io/app/lieq-real-lie-detector-NMkz/united-states)

## LieQ Description
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

## LieQ Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/87/c7/19/87c7192f-4e4e-eff0-1656-c8aafc383c0d/lieq_65_01.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/44/97/a7/4497a777-d96c-d6bb-9d01-af3b769c3bb6/lieq_65_04.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/05/e6/e2/05e6e230-4403-3a03-7838-e520f685ab45/lieq_65_02.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a9/de/93/a9de93ba-1c27-0307-136d-5ef5078f2d26/lieq_65_03.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/29/c7/ea/29c7ea10-c2d1-d8b3-4d45-5dfa34f2f445/lieq_65_05.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/80/31/4c/80314c0f-dcb8-d4aa-4d5d-1c833dc231a6/lieq_65_06.png/1284x2778.png)

## LieQ Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## LieQ Available In
- [United States](https://apptail.io/app/lieq-real-lie-detector-NMkz/united-states)
- [Egypt](https://apptail.io/app/lieq-real-lie-detector-NMkz/egypt)
- [Canada](https://apptail.io/app/lieq-real-lie-detector-NMkz/canada)
- [Switzerland](https://apptail.io/app/lieq-real-lie-detector-NMkz/switzerland)
- [Colombia](https://apptail.io/app/lieq-real-lie-detector-NMkz/colombia)
- [Czechia](https://apptail.io/app/lieq-real-lie-detector-NMkz/czechia)
- [Estonia](https://apptail.io/app/lieq-real-lie-detector-NMkz/estonia)
- [United Kingdom](https://apptail.io/app/lieq-real-lie-detector-NMkz/united-kingdom)
- [United Arab Emirates](https://apptail.io/app/lieq-real-lie-detector-NMkz/united-arab-emirates)
- [Sri Lanka](https://apptail.io/app/lieq-real-lie-detector-NMkz/sri-lanka)
- [Madagascar](https://apptail.io/app/lieq-real-lie-detector-NMkz/madagascar)
- [Malaysia](https://apptail.io/app/lieq-real-lie-detector-NMkz/malaysia)
- [Nigeria](https://apptail.io/app/lieq-real-lie-detector-NMkz/nigeria)
- [Oman](https://apptail.io/app/lieq-real-lie-detector-NMkz/oman)
- [Panama](https://apptail.io/app/lieq-real-lie-detector-NMkz/panama)
- [Philippines](https://apptail.io/app/lieq-real-lie-detector-NMkz/philippines)
- [Lebanon](https://apptail.io/app/lieq-real-lie-detector-NMkz/lebanon)
- [Azerbaijan](https://apptail.io/app/lieq-real-lie-detector-NMkz/azerbaijan)

---

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