# Solar System (Lite) vs Intergalactic Solar System

The clearest difference is rating: Solar System (Lite) at 4.5 against Intergalactic Solar System's 4.0. Solar System (Lite) also leads on in-app purchases (none vs 1) and review sentiment (83% vs 70%). Intergalactic Solar System's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

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

Solar System (Lite) holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 23 and 25 respectively. Written reviews point the same way: 83% of Solar System (Lite)'s written reviews are positive against 70% of Intergalactic Solar System's.

Solar System (Lite) ships an update every 3 months, Intergalactic Solar System monthly. The most recent releases landed on July 6, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Solar System (Lite) | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/solar-system-lite/id593614944/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) |
| Number of ratings | 23 | **25** |
| Positive reviews | **83.3% of reviews** | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 91 MB | 355 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vosonos LLC](https://appshunter.io/developer/578659631) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Solar System (Lite)

[App page](https://appshunter.io/ios/app/solar-system-lite/id593614944)

Explore the Solar System with interactive simulations and size comparisons. This educational app makes learning about planets, galaxies, and space exploration engaging for children. It offers a kid-friendly interface with no ads or in-app purchases.

**Highlights:** Interactive simulations, Size comparisons of celestial bodies, Planetary orbital speed visualization, Covers Milky Way, Sun, planets, dwarf planets, Kid-friendly navigation, No ads or in-app purchases

**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 Solar System (Lite) free?

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, Solar System (Lite) or Intergalactic Solar System?

Solar System (Lite) is rated higher. Solar System (Lite) averages 4.5 out of 5 from 23 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do Solar System (Lite) or Intergalactic Solar System have ads?

Neither Solar System (Lite) nor Intergalactic Solar System shows ads.

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

Solar System (Lite) ships an update every 3 months, and Intergalactic Solar System monthly. Most recently, Solar System (Lite) was updated on July 6, 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.*