# Prank Luck Scanner vs Lie Detector

The clearest difference is rating: Lie Detector at 3.9 against Prank Luck Scanner's 1.0. Lie Detector also leads on update cadence (fortnightly vs every 21 months) and ratings volume (1.7K vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Prank Luck Scanner sells 1 one-off in-app purchase and Lie Detector sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lie Detector holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Lie Detector has 1.7K ratings behind it against 1, so its average is the more settled of the two.

Prank Luck Scanner ships an update every 21 months, Lie Detector fortnightly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Prank Luck Scanner | Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/prank-luck-scanner/id1243789561/reviews) | **[3.9 (1.7K ratings)](https://appshunter.io/ios/app/lie-detector-test-scan-prank/id6451336145/reviews)** |
| Number of ratings | 1 | **1.7K** |
| Positive reviews | — | 42.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 231 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Stecklein](https://appshunter.io/developer/498894252) | [Nguyen Quy Son](https://appshunter.io/developer/1594539200) |

## What reviewers say

### 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 |


### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-test-scan-prank/id6451336145)

This app simulates a lie detector using fingerprint or eye scanning to prank friends and family. It provides entertainment by revealing whether someone is telling the truth or lying, with additional fun features like a beauty and love score.

**Highlights:** Fingerprint lie detector simulation, Eye scanner for truth test, Dual player check, Fake lie detection results, Beauty Score feature, Love Detector feature

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $0.99 | per 7 days |
| Premium monthly | $1.99 | per month |

**What reviewers like**

- 👍 Fun and entertaining
- 🤩 Accurate lie detection
- 💡 Interesting game concept

**What reviewers complain about**

- 🙄 Inconsistent results
- 😡 Excessive ads
- 🤔 Questionable accuracy

**Reported bugs**

- Ads blocking the lie detector interface
- Incorrect results for true statements
- Glitchy and unstable performance

**Requested features**

- Reduce ads
- Improve accuracy and consistency
- Add eye scanning feature


## Frequently asked questions

### Is Prank Luck Scanner free?

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

### Is Lie Detector free?

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

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

Lie Detector is rated higher. Prank Luck Scanner averages 1.0 out of 5 from 1 ratings, while Lie Detector averages 3.9 from 1.7K ratings.

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

Both Prank Luck Scanner and Lie Detector show ads.

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

Prank Luck Scanner ships an update every 21 months, and Lie Detector fortnightly. Most recently, Prank Luck Scanner was updated on November 6, 2026 and Lie Detector on November 7, 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.*