# Intergalactic Solar System vs Planets

The clearest difference is in-app purchases: Planets at none against Intergalactic Solar System's 1. Planets also leads on rating (4.3 vs 4.0). Intergalactic Solar System's advantage is update cadence (monthly vs every 72 months) and ratings volume (25 vs 4). 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. Planets asks for nothing beyond the download.

Planets holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Intergalactic Solar System has 25 ratings behind it against 4, so its average is the more settled of the two.

Intergalactic Solar System ships an update monthly, Planets every 72 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Intergalactic Solar System | Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/planets-home-solar-system/id1521122945/reviews)** |
| Number of ratings | **25** | 4 |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 72 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 355 MB | 8 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) | [Eran Katsav](https://appshunter.io/developer/656314140) |

## 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 |


### Planets

[App page](https://appshunter.io/ios/app/planets-home-solar-system/id1521122945)

Explore the solar system from your home with this augmented reality app. Place planets anywhere, walk around them, and examine their real surfaces up close. Experience the vastness of space without leaving your house.

**Highlights:** Augmented reality planet placement, Explore real planet surfaces, Walk through the solar system, Interactive planet exploration, Place planets anywhere

**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 Planets free?

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

### Which has better reviews, Intergalactic Solar System or Planets?

Planets is rated higher. Intergalactic Solar System averages 4.0 out of 5 from 25 ratings, while Planets averages 4.3 from 4 ratings.

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

Neither Intergalactic Solar System nor Planets shows ads.

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

Intergalactic Solar System ships an update monthly, and Planets every 72 months. Most recently, Intergalactic Solar System was updated on October 9, 2026 and Planets on October 24, 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.*