# Lie Detector vs Fingerprint Scan Simulator

The clearest difference is rating: Fingerprint Scan Simulator at 3.5 against Lie Detector's 2.7. Fingerprint Scan Simulator also leads on in-app purchases (none vs 4). Lie Detector's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Lie Detector sells 4 one-off in-app purchases. Fingerprint Scan Simulator asks for nothing beyond the download.

Fingerprint Scan Simulator holds the better App Store score, 3.5 against 2.7. Both are backed by a comparable volume of ratings — 30 and 19 respectively. Written reviews point the same way: 13% of Lie Detector's written reviews are positive against 17% of Fingerprint Scan Simulator's.

Lie Detector ships an update every 8 months, Fingerprint Scan Simulator every 5 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lie Detector | Fingerprint Scan Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (30 ratings)](https://appshunter.io/ios/app/lie-detector-truth-test-scan/id807454884/reviews) | **[3.5 (19 ratings)](https://appshunter.io/ios/app/fingerprint-scan-simulator/id1186220731/reviews)** |
| Number of ratings | **30** | 19 |
| Positive reviews | 13.3% of reviews | **16.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 88 MB | 45 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDevver Apps Limited](https://appshunter.io/developer/453983205) | [Dream-Up](https://appshunter.io/developer/445196122) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-truth-test-scan/id807454884)

This app simulates lie detection using fingerprint, voice, and camera scanning for entertainment purposes. It's designed for pranks and novelty, offering a fun way to playfully question truthfulness.

**Highlights:** Fingerprint scanner simulation, Voice scanner simulation, Camera scanner simulation, Entertainment and novelty purposes, Prank functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Fingerprint Analysis Mode | $0.99 | one-time |
| Unlock Camera Analysis Mode | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Ultimate Spy Pack | $2.99 | one-time |


### Fingerprint Scan Simulator

[App page](https://appshunter.io/ios/app/fingerprint-scan-simulator/id1186220731)

This app simulates a fingerprint scan to reveal your daily abilities in social, work, health, love, and money. It's a prank app designed purely for entertainment and sharing laughs with friends.

**Highlights:** Fingerprint scanning simulation, Daily ability predictions (Social, Work, Health, Love, Money), Prank app for entertainment, Share with friends

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

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector free?

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

### Is Fingerprint Scan Simulator free?

Fingerprint Scan Simulator is free to download, with no in-app purchases.

### Which has better reviews, Lie Detector or Fingerprint Scan Simulator?

Fingerprint Scan Simulator is rated higher. Lie Detector averages 2.7 out of 5 from 30 ratings, while Fingerprint Scan Simulator averages 3.5 from 19 ratings.

### Do Lie Detector or Fingerprint Scan Simulator have ads?

Both Lie Detector and Fingerprint Scan Simulator show ads.

### Which is updated more often, Lie Detector or Fingerprint Scan Simulator?

Lie Detector ships an update every 8 months, and Fingerprint Scan Simulator every 5 months. Most recently, Lie Detector was updated on November 6, 2026 and Fingerprint Scan Simulator on November 4, 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.*