# Space & the Solar System Lite vs Intergalactic Solar System

The clearest difference is rating: Intergalactic Solar System at 4.0 against Space & the Solar System Lite's 3.1. Intergalactic Solar System also leads on ads (none vs shown) and review sentiment (70% vs 40%). Space & the Solar System Lite's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 13.0). On price and device support there is nothing between them.

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

Intergalactic Solar System holds the better App Store score, 4.0 against 3.1. Both are backed by a comparable volume of ratings — 8 and 25 respectively. Written reviews point the same way: 40% of Space & the Solar System Lite's written reviews are positive against 70% of Intergalactic Solar System's.

Space & the Solar System Lite ships an update every 4 months, Intergalactic Solar System monthly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Space & the Solar System Lite | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (8 ratings)](https://appshunter.io/ios/app/space-and-the-solar-system-lite/id1449215320/reviews) | **[4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews)** |
| Number of ratings | 8 | **25** |
| Positive reviews | 40.0% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 185 MB | 355 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magic Science House](https://appshunter.io/developer/1437710910) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Space & the Solar System Lite

[App page](https://appshunter.io/ios/app/space-and-the-solar-system-lite/id1449215320)

Explore the cosmos with interactive games and fun facts about planets, stars, and galaxies. This app helps children independently master space knowledge and satisfy their curiosity about the universe.

**Highlights:** Interactive educational games, Fun space facts, Learn about planets and celestial bodies, Planet positioning and movement, Over 100 space nouns, Independent learning through play

**Features:** macOS Compatibility

**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 Space & the Solar System Lite free?

Space & the Solar System Lite 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, Space & the Solar System Lite or Intergalactic Solar System?

Intergalactic Solar System is rated higher. Space & the Solar System Lite averages 3.1 out of 5 from 8 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do Space & the Solar System Lite or Intergalactic Solar System have ads?

Space & the Solar System Lite shows ads; Intergalactic Solar System does not.

### Which is updated more often, Space & the Solar System Lite or Intergalactic Solar System?

Space & the Solar System Lite ships an update every 4 months, and Intergalactic Solar System monthly. Most recently, Space & the Solar System Lite was updated on October 24, 2026 and Intergalactic Solar System on October 9, 2026.

---

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