# Lie Detector Finger Scan vs Lie detector

The clearest difference is in-app purchases: Lie detector at none against Lie Detector Finger Scan's 10. Lie detector also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). On price, rating, ratings volume and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.0 for Lie Detector Finger Scan against 4.0 for Lie detector. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews are what separate them: 33% of Lie Detector Finger Scan's written reviews are positive against 50% of Lie detector's.

Lie Detector Finger Scan ships an update every 3 months, Lie detector weekly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Lie Detector Finger Scan | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/lie-detector-finger-scan/id1116394384/reviews) | [4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 12 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](https://appshunter.io/developer/696755058) |

## What reviewers say

### Lie Detector Finger Scan

[App page](https://appshunter.io/ios/app/lie-detector-finger-scan/id1116394384)

This entertainment app simulates a lie detector using fingerprint scanning. Prank friends and family by making them believe you can detect if they are lying. It offers preset truth or lie answers or random results for fun.

**Highlights:** Fingerprint scanner simulation, Preset truth/lie answers, Random result mode, Realistic animations and sounds, Prank friends and family

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Pro Weekly | $4.99 | per 7 days |
| Yearly Subscription Discount | $14.99 | per year |
| Yearly Subscription Sale | $14.99 | per year |
| Yearly Subscription Special | $19.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Pro Annual | $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 Lie Detector Finger Scan free?

Lie Detector Finger Scan 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 Finger Scan or Lie detector?

Lie Detector Finger Scan and Lie detector are both rated 4.0 out of 5 on the App Store, from 8 and 5 ratings respectively.

### Do Lie Detector Finger Scan or Lie detector have ads?

Lie Detector Finger Scan shows ads; Lie detector does not.

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

Lie Detector Finger Scan ships an update every 3 months, and Lie detector weekly. Most recently, Lie Detector Finger Scan was updated on November 6, 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.*