# Ace Lie Detector Polygraph vs Lie Detector Test ‎

The clearest difference is rating: Lie Detector Test ‎ at 4.2 against Ace Lie Detector Polygraph's 3.1. Lie Detector Test ‎ also leads on review sentiment (75% vs 37%) and in-app purchases (none vs 1). Ace Lie Detector Polygraph's advantage is update cadence (every 4 weeks vs every 3 months) and device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

Both are free to download. Ace Lie Detector Polygraph sells 1 one-off in-app purchase. Lie Detector Test ‎ asks for nothing beyond the download.

Lie Detector Test ‎ holds the better App Store score, 4.2 against 3.1. Both are backed by a comparable volume of ratings — 18 and 32 respectively. Written reviews point the same way: 37% of Ace Lie Detector Polygraph's written reviews are positive against 75% of Lie Detector Test ‎'s.

Ace Lie Detector Polygraph ships an update every 4 weeks, Lie Detector Test ‎ every 3 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Ace Lie Detector Polygraph | Lie Detector Test ‎ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (18 ratings)](https://appshunter.io/ios/app/ace-lie-detector-polygraph/id425093062/reviews) | **[4.2 (32 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6745645704/reviews)** |
| Number of ratings | 18 | **32** |
| Positive reviews | 36.9% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 21 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tiny Mobile Inc.](https://appshunter.io/developer/360543132) | [Zaffles](https://appshunter.io/developer/1078438438) |

## What reviewers say

### Ace Lie Detector Polygraph

[App page](https://appshunter.io/ios/app/ace-lie-detector-polygraph/id425093062)

This entertainment app simulates a lie detector for fun. Use its visual technology to "detect" truths from friends and family. Upgrade to manipulate results for jokes.

**Highlights:** Simulated lie detection, TruthWave™ visual technology, Live data display, Result manipulation for jokes, Impress and intimidate friends

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lie Detector Upgrade - Lie Detection special | $0.99 | one-time |

**What reviewers like**

- 🚀 Straight awesomeness
- 👍 Funny and entertaining
- 🤖 Surprisingly accurate at times

**What reviewers complain about**

- 🐛 Inconsistent results
- 💤 Boring and not very useful
- 🤷‍♀️ Doesn't actually work as a lie detector

**Reported bugs**

- App loads upside down on some devices
- Upgrade doesn't work as expected

**Requested features**

- Ability to record audio for more accurate detection
- Option to customize the detection logic


### Lie Detector Test ‎

[App page](https://appshunter.io/ios/app/lie-detector-test/id6745645704)

This app provides a fake fingerprint scanner to simulate a lie detector. It's designed for entertainment, perfect for parties and game nights to create humorous situations and encourage laughter.

**Highlights:** Fake fingerprint scan animation, Sci-fi sound effects, Dramatic analyzing effects, Three fake results: Truth, Lie, Unclear, Great for games and party dares, Silly and addictive gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Ace Lie Detector Polygraph free?

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

### Is Lie Detector Test ‎ free?

Lie Detector Test ‎ is free to download, with no in-app purchases.

### Which has better reviews, Ace Lie Detector Polygraph or Lie Detector Test ‎?

Lie Detector Test ‎ is rated higher. Ace Lie Detector Polygraph averages 3.1 out of 5 from 18 ratings, while Lie Detector Test ‎ averages 4.2 from 32 ratings.

### Do Ace Lie Detector Polygraph or Lie Detector Test ‎ have ads?

Neither Ace Lie Detector Polygraph nor Lie Detector Test ‎ shows ads.

### Which is updated more often, Ace Lie Detector Polygraph or Lie Detector Test ‎?

Ace Lie Detector Polygraph ships an update every 4 weeks, and Lie Detector Test ‎ every 3 months. Most recently, Ace Lie Detector Polygraph was updated on October 15, 2026 and Lie Detector Test ‎ on October 5, 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.*