# Lie / Truth Detector vs Lie Detector Test for Prank

The clearest difference is price: Lie / Truth Detector at Free against Lie Detector Test for Prank's $0.99. Lie Detector Test for Prank's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Lie / Truth Detector is free to download; Lie Detector Test for Prank costs $0.99 up front. Lie / Truth Detector sells 3 one-off in-app purchases. Lie Detector Test for Prank asks for nothing beyond the download.

## The numbers

| Metric | Lie / Truth Detector | Lie Detector Test for Prank |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (306 ratings)](https://appshunter.io/ios/app/lie-truth-detector-polygraph/id1558500142/reviews)** | — |
| Number of ratings | **306** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 26 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luis Hernando Prada](https://appshunter.io/developer/1554735315) | [Hamid Sher agha](https://appshunter.io/developer/1692155889) |

## What reviewers say

### Lie / Truth Detector

[App page](https://appshunter.io/ios/app/lie-truth-detector-polygraph/id1558500142)

Simulate a lie or truth detector with this fun app. Analyze what your friends and family say and see if the simulated polygraph detects truth or lies. Features fantastic graphics and effects for hours of entertainment.

**Highlights:** Simulates lie/truth detection, Polygraph simulation, Fantastic graphics, Engaging effects, Hours of fun

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove the ads | $2.99 | one-time |
| AI Detector | $3.99 | one-time |
| All features + no ads | $5.99 | one-time |


### Lie Detector Test for Prank

[App page](https://appshunter.io/ios/app/lie-detector-test-for-prank/id6739884886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lie / Truth Detector free?

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

### Is Lie Detector Test for Prank free?

Lie Detector Test for Prank costs $0.99, with no in-app purchases.

### Do Lie / Truth Detector or Lie Detector Test for Prank have ads?

Lie / Truth Detector shows ads; Lie Detector Test for Prank does not.

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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.*