# PlanetenSpielundApp2b vs Intergalactic Solar System

The clearest difference is rating: Intergalactic Solar System at 4.0 against PlanetenSpielundApp2b's 3.5. Intergalactic Solar System also leads on update cadence (monthly vs every 7 months) and ratings volume (25 vs 2). PlanetenSpielundApp2b's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Intergalactic Solar System sells 1 one-off in-app purchase. PlanetenSpielundApp2b asks for nothing beyond the download.

Intergalactic Solar System holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Intergalactic Solar System has 25 ratings behind it against 2, so its average is the more settled of the two.

PlanetenSpielundApp2b ships an update every 7 months, Intergalactic Solar System monthly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PlanetenSpielundApp2b | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/planetenspielundapp2b/id1494749871/reviews) | **[4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews)** |
| Number of ratings | 2 | **25** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 355 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steffen Rokosch](https://appshunter.io/developer/1448755222) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### PlanetenSpielundApp2b

[App page](https://appshunter.io/ios/app/planetenspielundapp2b/id1494749871)

An educational game designed for children to explore and learn about celestial bodies, including planets, moons, stars, and black holes. It features a gravitation arena to demonstrate Newton's laws of motion.

**Highlights:** Learn about planets, moons, and stars, Explore black holes and nebulae, Gravitation arena for physics demonstrations, Interactive celestial body learning, Newton's laws of motion explained

**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 PlanetenSpielundApp2b free?

PlanetenSpielundApp2b 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, PlanetenSpielundApp2b or Intergalactic Solar System?

Intergalactic Solar System is rated higher. PlanetenSpielundApp2b averages 3.5 out of 5 from 2 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do PlanetenSpielundApp2b or Intergalactic Solar System have ads?

Neither PlanetenSpielundApp2b nor Intergalactic Solar System shows ads.

### Which is updated more often, PlanetenSpielundApp2b or Intergalactic Solar System?

PlanetenSpielundApp2b ships an update every 7 months, and Intergalactic Solar System monthly. Most recently, PlanetenSpielundApp2b was updated on October 15, 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.*