# 2人の相思相愛診断 vs Lie Detector Test

The clearest difference is in-app purchases: 2人の相思相愛診断 at none against Lie Detector Test's 2. 2人の相思相愛診断 also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Lie Detector Test sells 2 in-app purchases, starting at $9.99 per 7 days. 2人の相思相愛診断 asks for nothing beyond the download.

2人の相思相愛診断 ships an update every 8 days, Lie Detector Test every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 2人の相思相愛診断 | Lie Detector Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/lie-detector-test-truth-prank/id6782049456/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 28 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Atsushi Isai](https://appshunter.io/developer/1881655484) | [Thirty Three Apps](https://appshunter.io/developer/1887900142) |

## What reviewers say

### 2人の相思相愛診断

[App page](https://appshunter.io/ios/app/2/id6767064328)

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

**In-app purchases:** none


### Lie Detector Test

[App page](https://appshunter.io/ios/app/lie-detector-test-truth-prank/id6782049456)

This app simulates a lie detector test for entertainment purposes. Place a finger on the scanner, ask questions, and get a 'Truth' or 'Lie' verdict. It's designed for parties and pranks, with customizable results.

**Highlights:** Fingerprint scanner simulator, Animated polygraph waveform, Customizable verdict control, Realistic sound effects and haptics, Party game for friends, Instant prank setup

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $29.99 | per month |


## Frequently asked questions

### Is 2人の相思相愛診断 free?

2人の相思相愛診断 is free to download, with no in-app purchases.

### Is Lie Detector Test free?

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

### Do 2人の相思相愛診断 or Lie Detector Test have ads?

Both 2人の相思相愛診断 and Lie Detector Test show ads.

### Which is updated more often, 2人の相思相愛診断 or Lie Detector Test?

2人の相思相愛診断 ships an update every 8 days, and Lie Detector Test every 3 weeks. Most recently, 2人の相思相愛診断 was updated on October 7, 2026 and Lie Detector Test on October 24, 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.*