# Psychology vs Test Parent App

The clearest difference is in-app purchases: Test Parent App at none against Psychology's 5. Test Parent App also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Psychology sells 5 in-app purchases, starting at $2.99 per 7 days. Test Parent App asks for nothing beyond the download.

## The numbers

| Metric | Psychology | Test Parent App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (579 ratings)](https://appshunter.io/ios/app/psychology-body-language/id1161820429/reviews)** | — |
| Number of ratings | **579** | — |
| Positive reviews | 56.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 27 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yurii Kriuchkov](https://appshunter.io/developer/1084215868) | [Metaguard Mobitech Llp](https://appshunter.io/developer/1648235349) |

## What reviewers say

### Psychology

[App page](https://appshunter.io/ios/app/psychology-body-language/id1161820429)

Explore the science of human behavior, including body language and microexpressions. Learn to interpret non-verbal cues, understand psychological insights, and test your knowledge with interactive exercises. Enhance your social skills and gain a deeper understanding of people.

**Highlights:** Decoding body language, Master microexpressions, Psychological insights, Interactive quizzes, Real-world application

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $2.99 | per 7 days |
| Monthly Plan | $4.99 | per month |
| Annual Plan | $14.99 | per year |
| Annual Plan | $14.99 | per year |
| Premium | $2.99 | one-time |

**What reviewers like**

- 📚 Interesting and educational content about body language
- 👍 User-friendly and simple interface design
- 💡 Practical information useful for real-world applications
- 🎯 Comprehensive coverage of body language gestures
- ✨ Well-organized card/memo style presentation

**What reviewers complain about**

- 📺 Excessive ads after every swipe/action
- 💸 Premium version lacks differentiation from free version
- ❌ Inaccurate or contradictory information
- ⚠️ Lacks scientific backing and credible sources
- 🔤 Poor translation quality in some sections

**Reported bugs**

- Video paywall system doesn't work properly
- Text layout issues - explanations cut off on right side
- Incomplete language localization (missing Italian translations)
- Poor translation quality causing comprehension issues
- App optimization issues with newer devices

**Requested features**

- Add more body language gestures and modules
- Include micro-expressions content
- Expand with interactive features (photo emotion recognition)
- Add content on deception from biological perspective
- Include polygraph/lie detection information


### Test Parent App

[App page](https://appshunter.io/ios/app/test-parent-app/id6478282080)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Psychology free?

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

### Is Test Parent App free?

Test Parent App is free to download, with no in-app purchases.

### Do Psychology or Test Parent App have ads?

Psychology shows ads; Test Parent App does not.

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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.*