# Lie Detector Truth Test vs CeMM Augmented Reality

The clearest difference is in-app purchases: CeMM Augmented Reality at none against Lie Detector Truth Test's 1. CeMM Augmented Reality also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Lie Detector Truth Test's advantage is update cadence (every 3 months vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Lie Detector Truth Test sells 1 one-off in-app purchase. CeMM Augmented Reality asks for nothing beyond the download.

Lie Detector Truth Test ships an update every 3 months, CeMM Augmented Reality every 23 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Lie Detector Truth Test | CeMM Augmented Reality |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (49K ratings)](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715/reviews)** | — |
| Number of ratings | **49K** | — |
| Positive reviews | 51.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 23 months |
| Monetization | Free with in-app purchases | — |
| Size | 167 MB | 189 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [First Class Media B.V.](https://appshunter.io/developer/1394094946) | [CeMM](https://appshunter.io/developer/1367824421) |

## What reviewers say

### Lie Detector Truth Test

[App page](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715)

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

**Highlights:** Fingerprint and voice scan simulation, Analyzes spoken words for truth/lie, Realistic computer voice, Prank mode, Amazing graphics and sounds, Hilarious fun

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |

**What reviewers like**

- 👍 Accurate lie detection
- 🤩 Fun and engaging
- 💡 Useful for pranking friends

**What reviewers complain about**

- 🐛 Inconsistent results
- 🤬 Too many ads
- 🤔 Questionable privacy concerns

**Reported bugs**

- Crashes on some devices
- Fingerprint scanning issues
- Incorrect results for true statements

**Requested features**

- Reduce ads
- Improve accuracy and consistency
- Add voice detection option


### CeMM Augmented Reality

[App page](https://appshunter.io/ios/app/cemm-augmented-reality/id1621282077)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector Truth Test free?

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

### Is CeMM Augmented Reality free?

CeMM Augmented Reality is free to download, with no in-app purchases.

### Do Lie Detector Truth Test or CeMM Augmented Reality have ads?

Lie Detector Truth Test shows ads; CeMM Augmented Reality does not.

### Which is updated more often, Lie Detector Truth Test or CeMM Augmented Reality?

Lie Detector Truth Test ships an update every 3 months, and CeMM Augmented Reality every 23 months. Most recently, Lie Detector Truth Test was updated on October 30, 2026 and CeMM Augmented Reality on October 27, 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.*