# Lie detector vs Lie Detector Test ‎

The clearest difference is update cadence: Lie detector at weekly against Lie Detector Test ‎'s every 3 months. Lie detector also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Lie Detector Test ‎'s advantage is review sentiment (75% vs 50%) and rating (4.2 vs 4.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lie Detector Test ‎ holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Lie Detector Test ‎ has 32 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 50% of Lie detector's written reviews are positive against 75% of Lie Detector Test ‎'s.

Lie detector ships an update weekly, Lie Detector Test ‎ every 3 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lie detector | Lie Detector Test ‎ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews) | **[4.2 (32 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6745645704/reviews)** |
| Number of ratings | 5 | **32** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | Free |
| Size | 3 MB | 21 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Warlock Arts](https://appshunter.io/developer/696755058) | [Zaffles](https://appshunter.io/developer/1078438438) |

## What reviewers say

### 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


### Lie Detector Test ‎

[App page](https://appshunter.io/ios/app/lie-detector-test/id6745645704)

This app provides a fake fingerprint scanner to simulate a lie detector. It's designed for entertainment, perfect for parties and game nights to create humorous situations and encourage laughter.

**Highlights:** Fake fingerprint scan animation, Sci-fi sound effects, Dramatic analyzing effects, Three fake results: Truth, Lie, Unclear, Great for games and party dares, Silly and addictive gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Lie detector free?

Lie detector 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, Lie detector or Lie Detector Test ‎?

Lie Detector Test ‎ is rated higher. Lie detector averages 4.0 out of 5 from 5 ratings, while Lie Detector Test ‎ averages 4.2 from 32 ratings.

### Do Lie detector or Lie Detector Test ‎ have ads?

Neither Lie detector nor Lie Detector Test ‎ shows ads.

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

Lie detector ships an update weekly, and Lie Detector Test ‎ every 3 months. Most recently, Lie detector was updated on October 14, 2026 and Lie Detector Test ‎ on October 5, 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.*