# Mood Scanner vs Lie detector

The clearest difference is rating: Lie detector at 4.0 against Mood Scanner's 2.8. Lie detector also leads on review sentiment (50% vs 10%) and in-app purchases (none vs 1). Mood Scanner's advantage is ratings volume (39 vs 5). On price and device support there is nothing between them.

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

Lie detector holds the better App Store score, 4.0 against 2.8. That said, the two scores are not equally well evidenced: Mood Scanner has 39 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 10% of Mood Scanner's written reviews are positive against 50% of Lie detector's.

Mood Scanner ships an update every 13 months, Lie detector weekly. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Mood Scanner | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (39 ratings)](https://appshunter.io/ios/app/mood-scanner-mood-detector/id1226419952/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews)** |
| Number of ratings | **39** | 5 |
| Positive reviews | 10.3% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 3 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fahad Manzoor](https://appshunter.io/developer/1144176876) | [Warlock Arts](https://appshunter.io/developer/696755058) |

## What reviewers say

### 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 |


### Lie detector

[App page](https://appshunter.io/ios/app/lie-detector-test/id6445990039)

This app simulates a lie detector by scanning a fingerprint to determine if someone is telling the truth or lying. It measures pulse variations to provide a "mind reading" result, intended for entertainment and pranks.

**Highlights:** Fingerprint scanning lie detection simulation, Pulse variation analysis, Simulates a polygraph test, Prank friends and family, Entertainment purposes only

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mood Scanner free?

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

### Is Lie detector free?

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

### Which has better reviews, Mood Scanner or Lie detector?

Lie detector is rated higher. Mood Scanner averages 2.8 out of 5 from 39 ratings, while Lie detector averages 4.0 from 5 ratings.

### Do Mood Scanner or Lie detector have ads?

Mood Scanner shows ads; Lie detector does not.

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

Mood Scanner ships an update every 13 months, and Lie detector weekly. Most recently, Mood Scanner was updated on October 17, 2026 and Lie detector on October 14, 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.*