# Human Body AR vs Solar System AR 4D

The clearest difference is in-app purchases: Human Body AR at none against Solar System AR 4D's 3. Human Body AR also leads on update cadence (every 6 weeks vs every 46 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solar System AR 4D sells 1 one-off in-app purchase. Human Body AR asks for nothing beyond the download.

Human Body AR ships an update every 6 weeks, Solar System AR 4D every 46 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Human Body AR | Solar System AR 4D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/human-body-ar/id1536227203/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 46 months |
| Monetization | Free | — |
| Size | 186 MB | 122 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PixelLand LLC](https://appshunter.io/developer/1536227205) | [Ibrahim Amer](https://appshunter.io/developer/1054899889) |

## What reviewers say

### Human Body AR

[App page](https://appshunter.io/ios/app/human-body-ar/id1536227203)

Explore the human body in 3D with augmented reality. This app, designed for children, brings anatomical learning to life by visualizing organs in an interactive perspective, complementing a physical book.

**Highlights:** Augmented Reality visualization, 3D organ perspective, Interactive learning, Complements physical book, Educational for children

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar System AR 4D

[App page](https://appshunter.io/ios/app/solar-system-ar-4d/id1593970513)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Human Body AR free?

Human Body AR is free to download, with no in-app purchases.

### Is Solar System AR 4D free?

Solar System AR 4D is free to download, with in-app purchases available.

### Do Human Body AR or Solar System AR 4D have ads?

Neither Human Body AR nor Solar System AR 4D shows ads.

### Which is updated more often, Human Body AR or Solar System AR 4D?

Human Body AR ships an update every 6 weeks, and Solar System AR 4D every 46 months. Most recently, Human Body AR was updated on October 24, 2026 and Solar System AR 4D on October 7, 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.*