# Lie Detector Test vs Mood Scanner

The clearest difference is rating: Lie Detector Test at 3.4 against Mood Scanner's 2.8. Lie Detector Test also leads on in-app purchases (none vs 1) and review sentiment (36% vs 10%). Mood Scanner's advantage is update cadence (every 13 months vs every 42 months). On price, ads and device support there is nothing between them.

Both are free to download. Mood Scanner sells 1 one-off in-app purchase. Lie Detector Test asks for nothing beyond the download.

Lie Detector Test holds the better App Store score, 3.4 against 2.8. That said, the two scores are not equally well evidenced: Lie Detector Test has 1.6K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 36% of Lie Detector Test's written reviews are positive against 10% of Mood Scanner's.

Lie Detector Test ships an update every 42 months, Mood Scanner every 13 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lie Detector Test | Mood Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews)** | [2.8 (39 ratings)](https://appshunter.io/ios/app/mood-scanner-mood-detector/id1226419952/reviews) |
| Number of ratings | **1.6K** | 39 |
| Positive reviews | **36.5% of reviews** | 10.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Every 13 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 7 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Batishchev](https://appshunter.io/developer/1179896396) | [Fahad Manzoor](https://appshunter.io/developer/1144176876) |

## 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


### Mood Scanner

[App page](https://appshunter.io/ios/app/mood-scanner-mood-detector/id1226419952)

Simulate a mood scanner with realistic graphics to entertain friends and family. This app is for amusement only and does not detect actual moods.

**Highlights:** Realistic scanning graphics, Simulates mood detection, Entertain friends and family, Amusement purposes only

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |


## Frequently asked questions

### Is Lie Detector Test free?

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

### Is Mood Scanner free?

Mood Scanner is free to download, with in-app purchases available.

### Which has better reviews, Lie Detector Test or Mood Scanner?

Lie Detector Test is rated higher. Lie Detector Test averages 3.4 out of 5 from 1.6K ratings, while Mood Scanner averages 2.8 from 39 ratings.

### Do Lie Detector Test or Mood Scanner have ads?

Both Lie Detector Test and Mood Scanner show ads.

### Which is updated more often, Lie Detector Test or Mood Scanner?

Lie Detector Test ships an update every 42 months, and Mood Scanner every 13 months. Most recently, Lie Detector Test was updated on October 21, 2026 and Mood Scanner on October 24, 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.*