# Air Moon vs Intergalactic Solar System

The clearest difference is rating: Air Moon at 4.8 against Intergalactic Solar System's 4.0. Air Moon also leads on monetization model (free vs free with in-app purchases). Intergalactic Solar System's advantage is ratings volume (25 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Air Moon sells 1 one-off in-app purchase and Intergalactic Solar System sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Air Moon holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Intergalactic Solar System has 25 ratings behind it against 5, so its average is the more settled of the two.

Air Moon ships an update every 6 weeks, Intergalactic Solar System monthly. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Air Moon | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/air-moon/id1491631384/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) |
| Number of ratings | 5 | **25** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 355 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MITSURU OMURA](https://appshunter.io/developer/1476823856) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Air Moon

[App page](https://appshunter.io/ios/app/air-moon/id1491631384)

Explore lunar phases and Earth's phases in augmented reality. Walk around celestial bodies to intuitively understand their cycles. Adjust Earth's rotation, position, and view from different hemispheres.

**Highlights:** Augmented reality moon and Earth phase visualization, Adjustable Earth rotation speed, Switch between real and simplified ratios, View from Northern and Southern Hemispheres, Set Earth's position for solstices and equinoxes, Set moon phases (full, quarter, new), Adjust viewpoint latitude and longitude

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heart Icon | $0.99 | one-time |


### 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 Air Moon free?

Air Moon is free to download, with in-app purchases available.

### Is Intergalactic Solar System free?

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

### Which has better reviews, Air Moon or Intergalactic Solar System?

Air Moon is rated higher. Air Moon averages 4.8 out of 5 from 5 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do Air Moon or Intergalactic Solar System have ads?

Neither Air Moon nor Intergalactic Solar System shows ads.

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

Air Moon ships an update every 6 weeks, and Intergalactic Solar System monthly. Most recently, Air Moon was updated on October 8, 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.*