# BlackHolesHD vs Intergalactic Solar System

The clearest difference is review sentiment: Intergalactic Solar System at 70% against BlackHolesHD's 27%. Intergalactic Solar System also leads on rating (4.0 vs 3.4). BlackHolesHD's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

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

Intergalactic Solar System holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 38 and 25 respectively. Written reviews point the same way: 27% of BlackHolesHD's written reviews are positive against 70% of Intergalactic Solar System's.

## The numbers

| Metric | BlackHolesHD | Intergalactic Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (38 ratings)](https://appshunter.io/ios/app/blackholeshd/id1491124772/reviews) | **[4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews)** |
| Number of ratings | **38** | 25 |
| Positive reviews | 27.3% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 355 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francois PIEDNOEL](https://appshunter.io/developer/1044169697) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### BlackHolesHD

[App page](https://appshunter.io/ios/app/blackholeshd/id1491124772)

Experience a realistic simulation of a black hole with smooth, high-fidelity animation. This educational tool brings the fascinating physics of celestial bodies directly to your device.

**Highlights:** Realistic black hole simulation, Smooth animation, High-fidelity rendering, Educational tool, Pocket-sized celestial physics

**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 BlackHolesHD free?

BlackHolesHD 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, BlackHolesHD or Intergalactic Solar System?

Intergalactic Solar System is rated higher. BlackHolesHD averages 3.4 out of 5 from 38 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

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

Neither BlackHolesHD nor Intergalactic Solar System shows ads.

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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.*