# Lie Detector Test vs Buddy Bits

The clearest difference is in-app purchases: Lie Detector Test at none against Buddy Bits's 2. Lie Detector Test also leads on iOS requirement (12.0 vs 15.1). Buddy Bits's advantage is ads (none vs shown) and update cadence (every 11 days vs every 42 months). On price and device support there is nothing between them.

Both are free to download. Buddy Bits sells 2 in-app purchases, starting at $1.99 per month. Lie Detector Test asks for nothing beyond the download.

Lie Detector Test ships an update every 42 months, Buddy Bits every 11 days. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Lie Detector Test | Buddy Bits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (1.6K ratings)](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 36.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 42 months | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Denis Batishchev](https://appshunter.io/developer/1179896396) | [Ogun Adsay](https://appshunter.io/developer/1861477150) |

## What reviewers say

### Lie Detector Test

[App page](https://appshunter.io/ios/app/lie-detector-test-simulator/id1219798065)

Simulate a lie detector test using your fingerprint. Fool your friends with this fun prank app that analyzes a "scan" of their finger to determine if they are telling the truth or lying. Perfect for lighthearted entertainment.

**Highlights:** Fingerprint scanner simulation, Prank mode to fool friends, Fake lie/truth results, Laser Xray effect, Random result generation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun to prank friends
- 😯 Surprisingly accurate at times
- 🤩 Amazing programming

**What reviewers complain about**

- 🐛 Inconsistent results
- 💩 Completely fake/inaccurate
- 🤬 Too many ads
- 😡 Always says 'true'

**Reported bugs**

- Incorrectly identifies true statements as lies
- Freezes after each use

**Requested features**

- More realistic lie detection
- Option to change language


### Buddy Bits

[App page](https://appshunter.io/ios/app/buddy-bits/id6758235017)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $14.99 | per year |


## Frequently asked questions

### Is Lie Detector Test free?

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

### Is Buddy Bits free?

Buddy Bits is free to download, with in-app purchases available.

### Do Lie Detector Test or Buddy Bits have ads?

Lie Detector Test shows ads; Buddy Bits does not.

### Which is updated more often, Lie Detector Test or Buddy Bits?

Lie Detector Test ships an update every 42 months, and Buddy Bits every 11 days. Most recently, Lie Detector Test was updated on October 19, 2026 and Buddy Bits on October 12, 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.*