# Lie Detector Truth Test vs Prank Luck Scanner

The clearest difference is rating: Lie Detector Truth Test at 4.6 against Prank Luck Scanner's 1.0. Lie Detector Truth Test also leads on update cadence (every 3 months vs every 21 months) and ratings volume (49K vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Lie Detector Truth Test sells 1 one-off in-app purchase and Prank Luck Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lie Detector Truth Test holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Lie Detector Truth Test has 49K ratings behind it against 1, so its average is the more settled of the two.

Lie Detector Truth Test ships an update every 3 months, Prank Luck Scanner every 21 months. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Lie Detector Truth Test | Prank Luck Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (49K ratings)](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/prank-luck-scanner/id1243789561/reviews) |
| Number of ratings | **49K** | 1 |
| Positive reviews | 51.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 167 MB | 16 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [First Class Media B.V.](https://appshunter.io/developer/1394094946) | [Brandon Stecklein](https://appshunter.io/developer/498894252) |

## What reviewers say

### Lie Detector Truth Test

[App page](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715)

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

**Highlights:** Fingerprint and voice scan simulation, Analyzes spoken words for truth/lie, Realistic computer voice, Prank mode, Amazing graphics and sounds, Hilarious fun

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |

**What reviewers like**

- 👍 Accurate lie detection
- 🤩 Fun and engaging
- 💡 Useful for pranking friends

**What reviewers complain about**

- 🐛 Inconsistent results
- 🤬 Too many ads
- 🤔 Questionable privacy concerns

**Reported bugs**

- Crashes on some devices
- Fingerprint scanning issues
- Incorrect results for true statements

**Requested features**

- Reduce ads
- Improve accuracy and consistency
- Add voice detection option


### Prank Luck Scanner

[App page](https://appshunter.io/ios/app/prank-luck-scanner/id1243789561)

This novelty app simulates a fingerprint scan to provide a random horoscope. It's designed for entertainment and pranks, offering customization for scan speed, custom responses, and themes.

**Highlights:** Simulated fingerprint scan, Random horoscope generation, Customizable scan speed, Set custom responses, Multiple themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luck Scanner Premium | $0.99 | one-time |


## Frequently asked questions

### Is Lie Detector Truth Test free?

Lie Detector Truth Test is free to download, with in-app purchases available.

### Is Prank Luck Scanner free?

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

### Which has better reviews, Lie Detector Truth Test or Prank Luck Scanner?

Lie Detector Truth Test is rated higher. Lie Detector Truth Test averages 4.6 out of 5 from 49K ratings, while Prank Luck Scanner averages 1.0 from 1 ratings.

### Do Lie Detector Truth Test or Prank Luck Scanner have ads?

Both Lie Detector Truth Test and Prank Luck Scanner show ads.

### Which is updated more often, Lie Detector Truth Test or Prank Luck Scanner?

Lie Detector Truth Test ships an update every 3 months, and Prank Luck Scanner every 21 months. Most recently, Lie Detector Truth Test was updated on November 9, 2026 and Prank Luck Scanner on November 6, 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.*