# Mood Detector Face Test Prank vs Lie Detector Test

The clearest difference is rating: Mood Detector Face Test Prank at 4.4 against Lie Detector Test's 3.4. Mood Detector Face Test Prank also leads on ads (none vs shown) and update cadence (every 3 months vs every 42 months). Lie Detector Test's advantage is ratings volume (1.6K vs 98). 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.

Mood Detector Face Test Prank holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: Lie Detector Test has 1.6K ratings behind it against 98, so its average is the more settled of the two. Written reviews point the same way: 56% of Mood Detector Face Test Prank's written reviews are positive against 36% of Lie Detector Test's.

Mood Detector Face Test Prank ships an update every 3 months, Lie Detector Test every 42 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | Mood Detector Face Test Prank | Lie Detector Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (98 ratings)](https://appshunter.io/ios/app/mood-detector-face-test-prank/id1196446967/reviews)** | [3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews) |
| Number of ratings | 98 | **1.6K** |
| Positive reviews | **55.6% of reviews** | 36.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 42 months |
| Monetization | **Free** | Ad-supported |
| Size | 17 MB | 22 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim Denyer](https://appshunter.io/developer/506718604) | [Denis Batishchev](https://appshunter.io/developer/1179896396) |

## What reviewers say

### Mood Detector Face Test Prank

[App page](https://appshunter.io/ios/app/mood-detector-face-test-prank/id1196446967)

This entertainment app simulates scanning photos to detect moods, with a talking scanner feature. It's a joke app designed for pranking friends and family by displaying a changing emoji and speaking the "detected" mood.

**Highlights:** Simulates photo scanning, Talks and speaks detected mood, Changes emoji based on mood, Uses existing or new photos, Joke and prank functionality

**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 Mood Detector Face Test Prank free?

Mood Detector Face Test Prank 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.

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

Mood Detector Face Test Prank is rated higher. Mood Detector Face Test Prank averages 4.4 out of 5 from 98 ratings, while Lie Detector Test averages 3.4 from 1.6K ratings.

### Do Mood Detector Face Test Prank or Lie Detector Test have ads?

Lie Detector Test shows ads; Mood Detector Face Test Prank does not.

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

Mood Detector Face Test Prank ships an update every 3 months, and Lie Detector Test every 42 months. Most recently, Mood Detector Face Test Prank was updated on October 21, 2026 and Lie Detector Test on October 21, 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.*