# Smat vs Solar System Planets

The clearest difference is in-app purchases: Smat at none against Solar System Planets's 3. Smat also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solar System Planets sells 3 in-app purchases, starting at $9.99 per month. Smat asks for nothing beyond the download.

Smat ships an update every 5 months, Solar System Planets every 3 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Smat | Solar System Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (10 ratings)](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 101 MB | 150 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Golden Bilisim Yazilim Medya Ltd. Sti.](https://appshunter.io/developer/1268748680) | [Evgeniya Senchurova](https://appshunter.io/developer/1676838995) |

## What reviewers say

### Smat

[App page](https://appshunter.io/ios/app/smat/id1464667057)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar System Planets

[App page](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338)

Explore our solar system with interactive 3D models and detailed information about each planet. Discover celestial bodies and uncover their secrets through a user-friendly interface, perfect for students and space enthusiasts alike.

**Highlights:** Interactive 3D solar system model, High-resolution planet imagery, Detailed planet information, User-friendly interface, Educational content, Celestial body exploration

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium Access | $9.99 | per month |
| Three Months Premium Access | $19.99 | per 3 months |
| One Year Premium Access | $24.99 | per year |


## Frequently asked questions

### Is Smat free?

Smat is free to download, with no in-app purchases.

### Is Solar System Planets free?

Solar System Planets is free to download, with in-app purchases available.

### Do Smat or Solar System Planets have ads?

Neither Smat nor Solar System Planets shows ads.

### Which is updated more often, Smat or Solar System Planets?

Smat ships an update every 5 months, and Solar System Planets every 3 months. Most recently, Smat was updated on October 9, 2026 and Solar System Planets on October 15, 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.*