# KFU AR Guides vs Solar System AR 4D

The clearest difference is in-app purchases: KFU AR Guides at none against Solar System AR 4D's 3. KFU AR Guides also leads on update cadence (every 4 months vs every 46 months). Solar System AR 4D's advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

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

KFU AR Guides ships an update every 4 months, Solar System AR 4D every 46 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KFU AR Guides | Solar System AR 4D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 46 months |
| Size | 41 MB | 122 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [King Faisal University - جامعة الملك فيصل](https://appshunter.io/developer/570315734) | [Ibrahim Amer](https://appshunter.io/developer/1054899889) |

## What reviewers say

### KFU AR Guides

[App page](https://appshunter.io/ios/app/kfu-ar-guides/id1450484826)

**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 KFU AR Guides free?

KFU AR Guides 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 KFU AR Guides or Solar System AR 4D have ads?

Neither KFU AR Guides nor Solar System AR 4D shows ads.

### Which is updated more often, KFU AR Guides or Solar System AR 4D?

KFU AR Guides ships an update every 4 months, and Solar System AR 4D every 46 months. Most recently, KFU AR Guides was updated on October 18, 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.*