# Intergalactic Solar System vs Planet Fun

The clearest difference is rating: Planet Fun at 4.8 against Intergalactic Solar System's 4.0. Planet Fun also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). Intergalactic Solar System's advantage is ratings volume (25 vs 8). On price, update cadence, ads and device support there is nothing between them.

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

Planet Fun holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 25 and 8 respectively.

Intergalactic Solar System ships an update monthly, Planet Fun every 4 weeks. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Intergalactic Solar System | Planet Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/planet-fun/id1525941640/reviews)** |
| Number of ratings | **25** | 8 |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 355 MB | 161 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) | [Omar reis](https://appshunter.io/developer/687921629) |

## What reviewers say

### 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 |


### Planet Fun

[App page](https://appshunter.io/ios/app/planet-fun/id1525941640)

Explore a 4D solar system simulation with accurate astronomical calculations for planets, moons, and stars. Interact with the celestial bodies using touch gestures, set any date and time, and even view your GPS position in augmented reality.

**Highlights:** 4D solar system simulation, Configurable animation speed, Augmented reality mode, Almanac module with ephemeris calculators, Touch gesture controls, Star and constellation visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Intergalactic Solar System free?

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

### Is Planet Fun free?

Planet Fun is free to download, with no in-app purchases.

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

Planet Fun is rated higher. Intergalactic Solar System averages 4.0 out of 5 from 25 ratings, while Planet Fun averages 4.8 from 8 ratings.

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

Neither Intergalactic Solar System nor Planet Fun shows ads.

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

Intergalactic Solar System ships an update monthly, and Planet Fun every 4 weeks. Most recently, Intergalactic Solar System was updated on September 22, 2026 and Planet Fun on September 18, 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.*