# Kids Solar System vs Intergalactic Solar System

The clearest difference is review sentiment: Intergalactic Solar System at 70% against Kids Solar System's 7%. Intergalactic Solar System also leads on rating (4.0 vs 2.8) and ratings volume (25 vs 8). Kids Solar System's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kids 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.

Intergalactic Solar System holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 8 and 25 respectively. Written reviews point the same way: 7% of Kids Solar System's written reviews are positive against 70% of Intergalactic Solar System's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Kids Solar System | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (8 ratings)](https://appshunter.io/ios/app/kids-solar-system-planets/id1136744470/reviews) | **[4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews)** |
| Number of ratings | 8 | **25** |
| Positive reviews | 6.7% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 355 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ameer Moosa](https://appshunter.io/developer/611675070) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Kids Solar System

[App page](https://appshunter.io/ios/app/kids-solar-system-planets/id1136744470)

This educational game introduces young children to the solar system through interactive puzzles and games. It helps toddlers recognize planets, learn their names, and practice spelling in multiple languages. Engaging sound effects and a space-themed environment keep children entertained while they develop cognitive and problem-solving skills.

**Highlights:** Planet recognition and naming, Multilingual planet names (6 languages), Interactive puzzles for cognitive skills, Real sound effects for engagement, Word formation and spelling practice, Parental controls for reading speed

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | 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 Kids Solar System free?

Kids 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, Kids Solar System or Intergalactic Solar System?

Intergalactic Solar System is rated higher. Kids Solar System averages 2.8 out of 5 from 8 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

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

Neither Kids Solar System nor Intergalactic Solar System shows ads.

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

Kids Solar System ships an update monthly, and Intergalactic Solar System monthly. Most recently, Kids Solar System was updated on October 24, 2026 and Intergalactic Solar System on October 9, 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.*