# Mind Lie Detection vs Lie Detector Test

The clearest difference is ads: Mind Lie Detection at none against Lie Detector Test's shown. Mind Lie Detection also leads on update cadence (every 8 months vs every 42 months) and iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

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

Mind Lie Detection ships an update every 8 months, Lie Detector Test every 42 months. The most recent releases landed on December 20, 2025 and September 25, 2026 respectively.

## The numbers

| Metric | Mind Lie Detection | Lie Detector Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews)** |
| Number of ratings | — | **1.6K** |
| Positive reviews | — | 36.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 42 months |
| Monetization | — | Ad-supported |
| Size | 118 MB | 22 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Macrotellect Limited](https://appshunter.io/developer/593369519) | [Denis Batishchev](https://appshunter.io/developer/1179896396) |

## What reviewers say

### Mind Lie Detection

[App page](https://appshunter.io/ios/app/mind-lie-detection/id959830376)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Mind Lie Detection free?

Mind Lie Detection is free to download, with no in-app purchases.

### Is Lie Detector Test free?

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

### Do Mind Lie Detection or Lie Detector Test have ads?

Lie Detector Test shows ads; Mind Lie Detection does not.

### Which is updated more often, Mind Lie Detection or Lie Detector Test?

Mind Lie Detection ships an update every 8 months, and Lie Detector Test every 42 months. Most recently, Mind Lie Detection was updated on December 20, 2025 and Lie Detector Test on September 25, 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.*