# Lie Detector Truth Test vs Lie Detector Test

The clearest difference is rating: Lie Detector Truth Test at 4.6 against Lie Detector Test's 3.4. Lie Detector Truth Test also leads on update cadence (every 3 months vs every 42 months) and ratings volume (49K vs 1.6K). Lie Detector Test's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Lie Detector Truth Test sells 1 one-off in-app purchase. Lie Detector Test asks for nothing beyond the download.

Lie Detector Truth Test holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Lie Detector Truth Test has 49K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews point the same way: 51% of Lie Detector Truth Test's written reviews are positive against 36% of Lie Detector Test's.

Lie Detector Truth Test ships an update every 3 months, Lie Detector Test every 42 months. The most recent releases landed on October 28, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Lie Detector Truth Test | Lie Detector Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (49K ratings)](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715/reviews)** | [3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews) |
| Number of ratings | **49K** | 1.6K |
| Positive reviews | **51.1% of reviews** | 36.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 42 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 167 MB | 22 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [First Class Media B.V.](https://appshunter.io/developer/1394094946) | [Denis Batishchev](https://appshunter.io/developer/1179896396) |

## What reviewers say

### Lie Detector Truth Test

[App page](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715)

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

**Highlights:** Fingerprint and voice scan simulation, Analyzes spoken words for truth/lie, Realistic computer voice, Prank mode, Amazing graphics and sounds, Hilarious fun

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |

**What reviewers like**

- 👍 Accurate lie detection
- 🤩 Fun and engaging
- 💡 Useful for pranking friends

**What reviewers complain about**

- 🐛 Inconsistent results
- 🤬 Too many ads
- 🤔 Questionable privacy concerns

**Reported bugs**

- Crashes on some devices
- Fingerprint scanning issues
- Incorrect results for true statements

**Requested features**

- Reduce ads
- Improve accuracy and consistency
- Add voice detection option


### 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


## Frequently asked questions

### Is Lie Detector Truth Test free?

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

### Is Lie Detector Test free?

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

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

Lie Detector Truth Test is rated higher. Lie Detector Truth Test averages 4.6 out of 5 from 49K ratings, while Lie Detector Test averages 3.4 from 1.6K ratings.

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

Both Lie Detector Truth Test and Lie Detector Test show ads.

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

Lie Detector Truth Test ships an update every 3 months, and Lie Detector Test every 42 months. Most recently, Lie Detector Truth Test was updated on October 28, 2026 and Lie Detector Test on October 21, 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.*