# SolarSystem vs Intergalactic Solar System

The clearest difference is rating: Intergalactic Solar System at 4.0 against SolarSystem's 3.0. Intergalactic Solar System also leads on ratings volume (25 vs 1). SolarSystem's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Intergalactic Solar System sells 1 one-off in-app purchase. SolarSystem asks for nothing beyond the download.

Intergalactic Solar System holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Intergalactic Solar System has 25 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SolarSystem | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/solarsystem/id1465214287/reviews) | **[4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews)** |
| Number of ratings | 1 | **25** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 355 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hologram Co.,Ltd.](https://appshunter.io/developer/1142940135) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### SolarSystem

[App page](https://appshunter.io/ios/app/solarsystem/id1465214287)

Explore the solar system through immersive MR, VR, and AR experiences. Adjust settings for your device and preferred viewing mode to learn about planets and space.

**Highlights:** Mixed Reality (MR) mode, Virtual Reality (VR) mode, Augmented Reality (AR) mode, Adjustable screen size, Single eye/Dual eye mode, Inter-pupillary distance correction

**In-app purchases:** none


### Intergalactic Solar System

[App page](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254)

Explore planets, moons, and countries in this space simulator mini-game. Learn astronomy and geography aligned with next-generation science standards. Discover the Milky Way galaxy and assess your knowledge through engaging gameplay.

**Highlights:** Planet and moon exploration, Country geography learning, Milky Way galaxy view, Common Core aligned curriculum, Proficiency assessment, Engaging gameplay levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to Full Game | $3.99 | one-time |


## Frequently asked questions

### Is SolarSystem free?

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

### Is Intergalactic Solar System free?

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

### Which has better reviews, SolarSystem or Intergalactic Solar System?

Intergalactic Solar System is rated higher. SolarSystem averages 3.0 out of 5 from 1 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do SolarSystem or Intergalactic Solar System have ads?

Neither SolarSystem nor Intergalactic Solar System shows ads.

### Which is updated more often, SolarSystem or Intergalactic Solar System?

SolarSystem ships an update monthly, and Intergalactic Solar System monthly. Most recently, SolarSystem was updated on September 23, 2026 and Intergalactic Solar System on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*