# Lie Detector Test vs Lie Detector Test Truth Shock

The clearest difference is rating: Lie Detector Test Truth Shock at 4.6 against Lie Detector Test's 3.4. Lie Detector Test Truth Shock also leads on review sentiment (47% vs 36%). Lie Detector Test's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lie Detector Test Truth Shock holds the better App Store score, 4.6 against 3.4. Both are backed by a comparable volume of ratings — 1.6K and 767 respectively. Written reviews point the same way: 36% of Lie Detector Test's written reviews are positive against 47% of Lie Detector Test Truth Shock's.

Lie Detector Test ships an update every 42 months, Lie Detector Test Truth Shock every 22 months. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lie Detector Test | Lie Detector Test Truth Shock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews) | **[4.6 (767 ratings)](https://appshunter.io/ios/app/lie-detector-test-truth-shock/id1602913125/reviews)** |
| Number of ratings | **1.6K** | 767 |
| Positive reviews | 36.5% of reviews | **46.8% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Every 22 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 76 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Batishchev](https://appshunter.io/developer/1179896396) | [Alex Quesada](https://appshunter.io/developer/1567029705) |

## What reviewers say

### Lie Detector Test

[App page](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065)

Simulate a lie detector test using your fingerprint. Fool your friends with this fun prank app that analyzes a "scan" of their finger to determine if they are telling the truth or lying. Perfect for lighthearted entertainment.

**Highlights:** Fingerprint scanner simulation, Prank mode to fool friends, Fake lie/truth results, Laser Xray effect, Random result generation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun to prank friends
- 😯 Surprisingly accurate at times
- 🤩 Amazing programming

**What reviewers complain about**

- 🐛 Inconsistent results
- 💩 Completely fake/inaccurate
- 🤬 Too many ads
- 😡 Always says 'true'

**Reported bugs**

- Incorrectly identifies true statements as lies
- Freezes after each use

**Requested features**

- More realistic lie detection
- Option to change language


### Lie Detector Test Truth Shock

[App page](https://appshunter.io/ios/app/lie-detector-test-truth-shock/id1602913125)

This app simulates a lie detector test using your device's fingerprint scanner. It's designed for entertainment, allowing you to prank friends and family by revealing random or controlled 'truth' or 'lie' results.

**Highlights:** Fingerprint scanner simulation, Random lie/truth results, Controlled result option, Prank friends and family, Realistic polygraph simulation

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😂 Fun for pranks
- 👍 Easy to use
- 🤩 Entertaining
- 💯 Good for friends
- ⭐ Accurate sometimes

**What reviewers complain about**

- 👎 Fake answers
- 👎 Inaccurate results
- 👎 Says lie when it's truth
- 👎 Says truth when it's lie
- 👎 Random answers

**Reported bugs**

- Keeps saying lie
- Changes original answer
- Says lie when truth
- Says truth when lie
- Inconsistent results

**Requested features**

- No ads
- Mini games


## Frequently asked questions

### Is Lie Detector Test free?

Lie Detector Test is free to download, with no in-app purchases.

### Is Lie Detector Test Truth Shock free?

Lie Detector Test Truth Shock is free to download, with no in-app purchases.

### Which has better reviews, Lie Detector Test or Lie Detector Test Truth Shock?

Lie Detector Test Truth Shock is rated higher. Lie Detector Test averages 3.4 out of 5 from 1.6K ratings, while Lie Detector Test Truth Shock averages 4.6 from 767 ratings.

### Do Lie Detector Test or Lie Detector Test Truth Shock have ads?

Both Lie Detector Test and Lie Detector Test Truth Shock show ads.

### Which is updated more often, Lie Detector Test or Lie Detector Test Truth Shock?

Lie Detector Test ships an update every 42 months, and Lie Detector Test Truth Shock every 22 months. Most recently, Lie Detector Test was updated on October 21, 2026 and Lie Detector Test Truth Shock on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*