# Lie Detector Fingerprint Scan vs Authenticator

The clearest difference is rating: Authenticator at 5.0 against Lie Detector Fingerprint Scan's 3.3. Authenticator also leads on update cadence (every 2 days vs every 47 months). Lie Detector Fingerprint Scan's advantage is ratings volume (9.4K vs 3) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Authenticator holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Lie Detector Fingerprint Scan has 9.4K ratings behind it against 3, so its average is the more settled of the two.

Lie Detector Fingerprint Scan ships an update every 47 months, Authenticator every 2 days. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lie Detector Fingerprint Scan | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (9.4K ratings)](https://appshunter.io/ios/app/lie-detector-fingerprint-scan/id1109566348/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/authenticator-fake-scanner/id6499281052/reviews)** |
| Number of ratings | **9.4K** | 3 |
| Positive reviews | 32.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 47 months | **Every 2 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 60 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Pusnee Detwattananun](https://appshunter.io/developer/1103524065) | [Harden Consulting LLC](https://appshunter.io/developer/366561891) |

## What reviewers say

### Lie Detector Fingerprint Scan

[App page](https://appshunter.io/ios/app/lie-detector-fingerprint-scan/id1109566348)

This entertainment app simulates a lie detector using a fingerprint scan. It randomly determines if the user is telling the truth or lying, providing humorous results for amusement.

**Highlights:** Prank lie detector simulation, Fingerprint scan functionality, Random truth or lie results, Entertainment purposes only

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🤩 Fun to play with friends
- 👍 Entertaining prank app

**What reviewers complain about**

- 🤬 Inaccurate results
- 💸 Too many ads
- 🤥 Misleading as a lie detector

**Reported bugs**

- Randomly generates true/false responses
- Inconsistent results for the same input

**Requested features**

- More accurate lie detection
- Reduce ads or make them less intrusive


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-fake-scanner/id6499281052)

Simulate biometric authentication for creative projects. This app allows you to choose between palm, retina, or fingerprint scans, or passcode entry. Customize the outcome to always fail, always succeed, or use an override for demonstrations.

**Highlights:** Fake palm scanner, Fake retina scanner, Fake fingerprint scanner, Passcode entry simulation, Customizable authentication outcomes, Override authentication option

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

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector Fingerprint Scan free?

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

### Is Authenticator free?

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

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

Authenticator is rated higher. Lie Detector Fingerprint Scan averages 3.3 out of 5 from 9.4K ratings, while Authenticator averages 5.0 from 3 ratings.

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

Both Lie Detector Fingerprint Scan and Authenticator show ads.

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

Lie Detector Fingerprint Scan ships an update every 47 months, and Authenticator every 2 days. Most recently, Lie Detector Fingerprint Scan was updated on November 10, 2026 and Authenticator on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*