# Lie Detector vs Lie Detector

The clearest difference is ads: Lie Detector at none against Lie Detector's shown. Lie Detector also leads on iOS requirement (13.0 vs 15.0). Lie Detector's advantage is update cadence (monthly vs every 2 months). On price, in-app purchases 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 and Lie Detector sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lie Detector ships an update monthly, Lie Detector every 2 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Lie Detector | Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.3K ratings)](https://appshunter.io/ios/app/lie-detector-scanner-game/id1606733866/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 14 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [Mark Hughes](https://appshunter.io/developer/1595054605) |

## What reviewers say

### 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


### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-polygraph-scanner/id6443803230)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lie detector | $2.99 | per 7 days |


## 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.

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

Lie Detector shows ads; Lie Detector does not.

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

Lie Detector ships an update monthly, and Lie Detector every 2 months. Most recently, Lie Detector was updated on October 20, 2026 and Lie Detector on October 18, 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.*