# Lie Detector vs 3D해적룰렛

The clearest difference is in-app purchases: 3D해적룰렛 at none against Lie Detector's 4. 3D해적룰렛 also leads on ads (none vs shown) and update cadence (daily vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lie Detector sells 4 one-off in-app purchases. 3D해적룰렛 asks for nothing beyond the download.

Lie Detector ships an update every 8 months, 3D해적룰렛 daily. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Lie Detector | 3D해적룰렛 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (30 ratings)](https://appshunter.io/ios/app/lie-detector-truth-test-scan/id807454884/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 95 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [iDevver Apps Limited](https://appshunter.io/developer/453983205) | [Kihoon Kwon](https://appshunter.io/developer/1691853926) |

## 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

**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 |


### 3D해적룰렛

[App page](https://appshunter.io/ios/app/3d/id6758450560)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector free?

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

### Is 3D해적룰렛 free?

3D해적룰렛 is free to download, with no in-app purchases.

### Do Lie Detector or 3D해적룰렛 have ads?

Lie Detector shows ads; 3D해적룰렛 does not.

### Which is updated more often, Lie Detector or 3D해적룰렛?

Lie Detector ships an update every 8 months, and 3D해적룰렛 daily. Most recently, Lie Detector was updated on October 13, 2026 and 3D해적룰렛 on October 18, 2026.

---

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