# Lie Detector vs 67 Detector

The clearest difference is review sentiment: 67 Detector at 100% against Lie Detector's 12%. 67 Detector also leads on rating (4.8 vs 3.2) and update cadence (daily vs every 9 days). Lie Detector's advantage is ratings volume (164 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Lie Detector sells 1 one-off in-app purchase and 67 Detector sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

67 Detector holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: Lie Detector has 164 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 12% of Lie Detector's written reviews are positive against 100% of 67 Detector's.

Lie Detector ships an update every 9 days, 67 Detector daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lie Detector | 67 Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (164 ratings)](https://appshunter.io/ios/app/lie-detector-prank-simulator/id6755752509/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/67-detector/id6759386609/reviews)** |
| Number of ratings | **164** | 5 |
| Positive reviews | 11.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 24 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neko Soft](https://appshunter.io/developer/1854316633) | [Peter Hodges](https://appshunter.io/developer/1873344533) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-prank-simulator/id6755752509)

This app simulates lie detection using fingerprint, eye, and voice scanners for entertainment. It's designed to prank friends and family with fun sound effects and secret result controls.

**Highlights:** Simulated fingerprint scanner, Simulated eye scanner, Simulated voice detector, Fun sound effects, Secret result control

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $6.99 | one-time |


### 67 Detector

[App page](https://appshunter.io/ios/app/67-detector/id6759386609)

This app listens for the phrase "six seven" and alerts you instantly with sound, vibration, or a screen flash. It tracks your detections and offers customizable alert sounds. All audio processing is done on-device for privacy.

**Highlights:** Instant "six seven" detection, Customizable sound, haptic, and screen alerts, On-device speech recognition, Tracks detection count, Unlockable sound packs, Privacy-focused audio processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Airhorn Pack | $0.99 | one-time |
| MLG Pack | $0.99 | one-time |
| Meme Pack | $0.99 | one-time |
| Everything Bundle | $1.99 | one-time |


## Frequently asked questions

### Is Lie Detector free?

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

### Is 67 Detector free?

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

### Which has better reviews, Lie Detector or 67 Detector?

67 Detector is rated higher. Lie Detector averages 3.2 out of 5 from 164 ratings, while 67 Detector averages 4.8 from 5 ratings.

### Do Lie Detector or 67 Detector have ads?

Both Lie Detector and 67 Detector show ads.

### Which is updated more often, Lie Detector or 67 Detector?

Lie Detector ships an update every 9 days, and 67 Detector daily. Most recently, Lie Detector was updated on November 5, 2026 and 67 Detector on October 31, 2026.

---

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