# Lie Detector Test vs Lie detector

The clearest difference is in-app purchases: Lie detector at none against Lie Detector Test's 2. Lie detector also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Lie Detector Test's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Lie Detector Test sells 2 one-off in-app purchases. Lie detector asks for nothing beyond the download.

Lie detector holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 14 and 5 respectively. Written reviews complicate that: 57% of Lie Detector Test's written reviews are positive against 50% of Lie detector's, so the app with the better star average is not the one people write more warmly about.

Lie Detector Test ships an update every 3 months, Lie detector weekly. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Lie Detector Test | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (14 ratings)](https://appshunter.io/ios/app/lie-detector-test-truth-scan/id1530206843/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews)** |
| Number of ratings | **14** | 5 |
| Positive reviews | **57.1% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 3 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akash Ram](https://appshunter.io/developer/1529596372) | [Warlock Arts](https://appshunter.io/developer/696755058) |

## What reviewers say

### Lie Detector Test

[App page](https://appshunter.io/ios/app/lie-detector-test-truth-scan/id1530206843)

This app simulates a fake fingerprint scanner to humorously "detect" if your friends are lying. It's a fun prank tool that provides "Truth," "Maybe," or "Lie" results, but it does not actually determine truthfulness.

**Highlights:** Fake fingerprint scanner simulation, Prank friends with lie detection, Simulated "Truth," "Maybe," or "Lie" results, Free prank application, Designed for entertainment

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Mood Scanner | $0.99 | one-time |


### 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 Detector Test free?

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

### Is Lie detector free?

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

### Which has better reviews, Lie Detector Test or Lie detector?

Lie detector is rated higher. Lie Detector Test averages 3.8 out of 5 from 14 ratings, while Lie detector averages 4.0 from 5 ratings.

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

Lie Detector Test shows ads; Lie detector does not.

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

Lie Detector Test ships an update every 3 months, and Lie detector weekly. Most recently, Lie Detector Test was updated on October 22, 2026 and Lie detector on October 27, 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.*