# Intergalactic Solar System vs Hubble

The clearest difference is review sentiment: Intergalactic Solar System at 70% against Hubble's 0%. Intergalactic Solar System also leads on ads (none vs shown) and ratings volume (25 vs 7). Hubble's advantage is in-app purchases (none vs 1) and rating (4.3 vs 4.0). On price, update cadence and device support there is nothing between them.

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

Hubble holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 25 and 7 respectively. Written reviews complicate that: 70% of Intergalactic Solar System's written reviews are positive against 0% of Hubble's, so the app with the better star average is not the one people write more warmly about.

Intergalactic Solar System ships an update monthly, Hubble every 6 weeks. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Intergalactic Solar System | Hubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/hubble-deep-space/id1545745146/reviews)** |
| Number of ratings | **25** | 7 |
| Positive reviews | **70.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 355 MB | 1.7 GB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## 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 |


### Hubble

[App page](https://appshunter.io/ios/app/hubble-deep-space/id1545745146)

Explore the universe in high definition with stunning images from the Hubble Space Telescope. Discover galaxies, nebulae, and star clusters with detailed descriptions and an immersive slideshow experience. Stay updated with the latest cosmic discoveries.

**Highlights:** High-resolution cosmic image gallery, Immersive slideshow mode, Searchable database of celestial objects, Detailed scientific descriptions, Real-time updates for 'Picture of the Week', Links to NASA/ESA archives

**Features:** macOS Compatibility, Vision Pro support

**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 Hubble free?

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

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

Hubble is rated higher. Intergalactic Solar System averages 4.0 out of 5 from 25 ratings, while Hubble averages 4.3 from 7 ratings.

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

Hubble shows ads; Intergalactic Solar System does not.

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

Intergalactic Solar System ships an update monthly, and Hubble every 6 weeks. Most recently, Intergalactic Solar System was updated on September 22, 2026 and Hubble on September 11, 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.*