# Lie or truth detector prank vs Lie detector

The clearest difference is rating: Lie detector at 4.0 against Lie or truth detector prank's 3.0. Lie detector also leads on update cadence (weekly vs every 2 months). Lie or truth detector prank's advantage is iOS requirement (5.1.1 vs 13.0). On price, review sentiment, ratings volume and ads 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 holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Lie or truth detector prank ships an update every 2 months, Lie detector weekly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Lie or truth detector prank | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/lie-or-truth-detector-prank/id985583126/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 18 MB | 3 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaloyan Beshev](https://appshunter.io/developer/848234520) | [Warlock Arts](https://appshunter.io/developer/696755058) |

## What reviewers say

### Lie or truth detector prank

[App page](https://appshunter.io/ios/app/lie-or-truth-detector-prank/id985583126)

Prank your friends by pretending to detect if they are telling the truth or lying. Simply have them speak and hold the scanner button for a simulated fingerprint scan. The app then displays a random 'truth' or 'lie' result.

**Highlights:** Prank friends, Simulated fingerprint scanner, Random truth/lie results, Custom animations, Entertainment game

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

**In-app purchases:** none


### 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 Lie or truth detector prank free?

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

### Is Lie detector free?

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

### Which has better reviews, Lie or truth detector prank or Lie detector?

Lie detector is rated higher. Lie or truth detector prank averages 3.0 out of 5 from 2 ratings, while Lie detector averages 4.0 from 5 ratings.

### Do Lie or truth detector prank or Lie detector have ads?

Neither Lie or truth detector prank nor Lie detector shows ads.

### Which is updated more often, Lie or truth detector prank or Lie detector?

Lie or truth detector prank ships an update every 2 months, and Lie detector weekly. Most recently, Lie or truth detector prank was updated on November 1, 2026 and Lie detector 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.*