# Lie Detector Test vs Lie Detector

The clearest difference is rating: Lie Detector at 4.4 against Lie Detector Test's 3.4. Lie Detector also leads on update cadence (monthly vs every 42 months) and review sentiment (52% vs 36%). Lie Detector Test's advantage is in-app purchases (none vs 7) and iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

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

Lie Detector holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 1.6K and 1.3K respectively. Written reviews point the same way: 36% of Lie Detector Test's written reviews are positive against 52% of Lie Detector's.

Lie Detector Test ships an update every 42 months, Lie Detector monthly. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Lie Detector Test | Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews) | **[4.4 (1.3K ratings)](https://appshunter.io/ios/app/lie-detector-scanner-game/id1606733866/reviews)** |
| Number of ratings | **1.6K** | 1.3K |
| Positive reviews | 36.5% of reviews | **52.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 67 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Batishchev](https://appshunter.io/developer/1179896396) | [WeBrain](https://appshunter.io/developer/1578514377) |

## What reviewers say

### Lie Detector Test

[App page](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065)

Simulate a lie detector test using your fingerprint. Fool your friends with this fun prank app that analyzes a "scan" of their finger to determine if they are telling the truth or lying. Perfect for lighthearted entertainment.

**Highlights:** Fingerprint scanner simulation, Prank mode to fool friends, Fake lie/truth results, Laser Xray effect, Random result generation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun to prank friends
- 😯 Surprisingly accurate at times
- 🤩 Amazing programming

**What reviewers complain about**

- 🐛 Inconsistent results
- 💩 Completely fake/inaccurate
- 🤬 Too many ads
- 😡 Always says 'true'

**Reported bugs**

- Incorrectly identifies true statements as lies
- Freezes after each use

**Requested features**

- More realistic lie detection
- Option to change language


### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-scanner-game/id1606733866)

This is a humorous game that simulates lie detection. Test your friends and family by having them answer questions while the app analyzes their voice or face. You can even rig the results for a good laugh.

**Highlights:** Simulates lie detection, Voice analysis during scan, Face analysis during scan, Rig scan results for pranks, Fun for friends and family

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $1.99 | per 7 days |
| Premium subscriptions | $1.99 | per 7 days |
| Premium Subscription | $3.99 | per month |
| Premium subscription | $3.99 | per month |
| Lie Detector Test | $4.99 | per year |
| Premium subscription | $9.99 | per year |
| Premium subscription | $9.99 | per year |

**What reviewers like**

- 👍 Best one
- 👍 Very accurate
- 👍 Good game

**What reviewers complain about**

- 💰 Expensive subscription
- 🤔 Inconsistent results
- ❌ Doesn't work as expected
- 🚫 Scam/not legit

**Reported bugs**

- Incorrect results
- Technical issues with scanners

**Requested features**

- Free access to all features
- Improve accuracy and reliability


## Frequently asked questions

### Is Lie Detector Test free?

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

### Is Lie Detector free?

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

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

Lie Detector is rated higher. Lie Detector Test averages 3.4 out of 5 from 1.6K ratings, while Lie Detector averages 4.4 from 1.3K ratings.

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

Both Lie Detector Test and Lie Detector show ads.

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

Lie Detector Test ships an update every 42 months, and Lie Detector monthly. Most recently, Lie Detector Test was updated on October 21, 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.*