# Truth Lie Detector Scanner vs Lie detector

The clearest difference is rating: Lie detector at 4.0 against Truth Lie Detector Scanner's 1.5. Lie detector also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, ratings volume, monetization model and device support there is nothing between them.

Both are free to download. Truth Lie Detector Scanner sells 10 in-app purchases, starting at $1.99 per 7 days. Lie detector asks for nothing beyond the download.

Lie detector holds the better App Store score, 4.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 25% of Truth Lie Detector Scanner's written reviews are positive against 50% of Lie detector's.

Truth Lie Detector Scanner ships an update every 60 months, Lie detector weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Truth Lie Detector Scanner | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/truth-lie-detector-scanner/id1143509995/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 60 months | **Weekly** |
| Monetization | Free | Free |
| Size | 15 MB | 3 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sandeep Bhandari](https://appshunter.io/developer/794284640) | [Warlock Arts Yazilim Sanayi ve Ticaret Limited Sirketi](https://appshunter.io/developer/696755058) |

## What reviewers say

### Truth Lie Detector Scanner

[App page](https://appshunter.io/ios/app/truth-lie-detector-scanner/id1143509995)

This app simulates a fingerprint scanner to playfully detect if someone is lying. You can preset answers or let it respond randomly for a fun prank. It features realistic animations and sounds to fool friends and family.

**Highlights:** Fingerprint scanner simulation, Preset truth or lie answers, Random response mode, Realistic animations, Fun prank game

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription Discount | $14.99 | per year |
| Yearly Subscription Sale | $14.99 | per year |
| Yearly Subscription Special | $19.99 | per year |
| Pro Annual | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Forever Pro Discount | $79.99 | one-time |
| Forever Pro | $99.99 | 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 Truth Lie Detector Scanner free?

Truth Lie Detector Scanner 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, Truth Lie Detector Scanner or Lie detector?

Lie detector is rated higher. Truth Lie Detector Scanner averages 1.5 out of 5 from 2 ratings, while Lie detector averages 4.0 from 5 ratings.

### Do Truth Lie Detector Scanner or Lie detector have ads?

Truth Lie Detector Scanner shows ads; Lie detector does not.

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

Truth Lie Detector Scanner ships an update every 60 months, and Lie detector weekly. Most recently, Truth Lie Detector Scanner was updated on October 21, 2026 and Lie detector on October 24, 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.*