# 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 ads (none vs shown) and update cadence (fortnightly vs every 42 months). Lie Detector Test's advantage is in-app purchases (none vs 1) and review sentiment (36% vs 7%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lie Detector sells 1 in-app purchase, starting at $29.99 per year. 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 450 respectively. Written reviews complicate that: 36% of Lie Detector Test's written reviews are positive against 7% of Lie Detector's, so the app with the better star average is not the one people write more warmly about.

Lie Detector Test ships an update every 42 months, Lie Detector fortnightly. The most recent releases landed on October 21, 2026 and October 25, 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 (450 ratings)](https://appshunter.io/ios/app/lie-detector-real-lying-test/id1532701937/reviews)** |
| Number of ratings | **1.6K** | 450 |
| Positive reviews | **36.5% of reviews** | 7.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 42 months | **Fortnightly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 22 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Batishchev](https://appshunter.io/developer/1179896396) | [Aliaksei Kislou](https://appshunter.io/developer/1665469212) |

## 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-real-lying-test/id1532701937)

This application analyzes voice recordings to detect lies by examining vocal biomarkers and emotional states. It allows users to record conversations, analyze responses, and uncover hidden truths. The app also offers advice and tips from therapists for dealing with detected lies.

**Highlights:** Record voice answers, Analyze emotional state, AI vocal biomarker analysis, Detect lies, Self-testing, Therapist advice

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Premium Access | $29.99 | per year |

**What reviewers like**

- 👍 Very useful (one user)

**What reviewers complain about**

- ❌ Inaccurate lie detection
- ❌ Scam/Billing issues
- ❌ App not working/frozen
- ❌ Limited free tests
- ❌ Poor audio detection

**Reported bugs**

- Subscription not recognized after purchase
- Restore function errors
- App freezes
- Cannot hear audio input

**Requested features**

- A lie detector app that actually works accurately
- A polygraph test app without ads and with real results
- A serious lie detector app, not for entertainment


## 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 450 ratings.

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

Lie Detector Test shows ads; Lie Detector does not.

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

Lie Detector Test ships an update every 42 months, and Lie Detector fortnightly. Most recently, Lie Detector Test was updated on October 21, 2026 and Lie Detector on October 25, 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.*