# Solar System vs Intergalactic Solar System

Solar System and Intergalactic Solar System both sit at 4.0 stars, but that hides the real split: 70% of Intergalactic Solar System's written reviews are positive against 38% of Solar System's. Intergalactic Solar System also leads on update cadence (monthly vs every 14 months). Solar System's advantage is iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Solar System sells 1 one-off in-app purchase and Intergalactic Solar System sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Solar System against 4.0 for Intergalactic Solar System. Both are backed by a comparable volume of ratings — 25 and 25 respectively. Written reviews are what separate them: 38% of Solar System's written reviews are positive against 70% of Intergalactic Solar System's.

Solar System ships an update every 14 months, Intergalactic Solar System monthly. The most recent releases landed on June 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Solar System | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/solar-system-hd/id848032263/reviews) | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) |
| Number of ratings | 25 | 25 |
| Positive reviews | 37.5% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 355 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magicbox Animation Private limited](https://appshunter.io/developer/726115662) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Solar System

[App page](https://appshunter.io/ios/app/solar-system-hd/id848032263)

Explore our solar system with detailed descriptions of the Sun, planets, and moon. Enjoy quality audio and comprehensive information to quickly grasp essential astronomical facts.

**Highlights:** Full solar system model, Detailed object descriptions, High-quality audio, Comprehensive astronomical information

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar System | $0.99 | one-time |


### 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 Solar System free?

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

### Is Intergalactic Solar System free?

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

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

Solar System and Intergalactic Solar System are both rated 4.0 out of 5 on the App Store, from 25 and 25 ratings respectively.

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

Neither Solar System nor Intergalactic Solar System shows ads.

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

Solar System ships an update every 14 months, and Intergalactic Solar System monthly. Most recently, Solar System was updated on June 8, 2026 and Intergalactic Solar System on September 22, 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.*