# Lie Detector vs Lie Detector

The clearest difference is rating: Lie Detector at 4.4 against Lie Detector's 2.7. Lie Detector also leads on review sentiment (41% vs 13%) and ratings volume (1.2K vs 30). Lie Detector's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lie Detector sells 4 one-off in-app purchases and Lie Detector sells 8 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lie Detector holds the better App Store score, 4.4 against 2.7. That said, the two scores are not equally well evidenced: Lie Detector has 1.2K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 13% of Lie Detector's written reviews are positive against 41% of Lie Detector's.

Lie Detector ships an update every 8 months, Lie Detector every 7 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Lie Detector | Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (30 ratings)](https://appshunter.io/ios/app/lie-detector-truth-test-scan/id807454884/reviews) | **[4.4 (1.2K ratings)](https://appshunter.io/ios/app/lie-detector-true-false-test/id1642503184/reviews)** |
| Number of ratings | 30 | **1.2K** |
| Positive reviews | 13.3% of reviews | **41.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 41 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDevver Apps Limited](https://appshunter.io/developer/453983205) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-truth-test-scan/id807454884)

This app simulates lie detection using fingerprint, voice, and camera scanning for entertainment purposes. It's designed for pranks and novelty, offering a fun way to playfully question truthfulness.

**Highlights:** Fingerprint scanner simulation, Voice scanner simulation, Camera scanner simulation, Entertainment and novelty purposes, Prank functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Fingerprint Analysis Mode | $0.99 | one-time |
| Unlock Camera Analysis Mode | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Ultimate Spy Pack | $2.99 | one-time |


### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-true-false-test/id1642503184)

This app simulates lie detection using fingerprint and voice scanning for entertainment. It's designed for playful interactions with friends and family, allowing you to share facts and see if they're true or false. Customize results for added fun.

**Highlights:** Fingerprint scanning simulation, Voice analysis simulation, Face scanning simulation, Customizable scan results, Entertainment for friends and family

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $0.99 | per 7 days |
| Lie Detector Premium Pack | $1.99 | per 7 days |
| Weekly Access | $1.99 | per 7 days |
| Monthly Access | $2.99 | per month |
| Yearly Access | $2.99 | per year |
| Lie Detector Test Pro | $2.99 | per month |
| Yearly Access | $5.99 | per year |
| Lie Detector Premium | $5.99 | per year |

**What reviewers like**

- 🤩 Fun and entertaining
- 👍 Engaging gameplay
- 😄 Brings laughter to gatherings

**What reviewers complain about**

- 🔒 Locked features behind paywall
- 🐛 Inconsistent performance
- 🤔 Questionable accuracy of lie detection

**Reported bugs**

- App crashes after a few uses
- Fingerprint scanner not working properly
- Subscription issues and inability to cancel

**Requested features**

- Unlock all features for free
- Improve lie detection algorithm
- Add more question types and scenarios


## Frequently asked questions

### Is Lie Detector free?

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

### Is Lie Detector free?

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

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

Lie Detector is rated higher. Lie Detector averages 2.7 out of 5 from 30 ratings, while Lie Detector averages 4.4 from 1.2K ratings.

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

Both Lie Detector and Lie Detector show ads.

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

Lie Detector ships an update every 8 months, and Lie Detector every 7 months. Most recently, Lie Detector was updated on November 6, 2026 and Lie Detector on November 3, 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.*