# Universal Zoom vs Intergalactic Solar System

The clearest difference is price: Intergalactic Solar System at Free against Universal Zoom's $5.99. Intergalactic Solar System also leads on update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 15.5). Universal Zoom's advantage is rating (4.8 vs 4.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Intergalactic Solar System is free to download; Universal Zoom costs $5.99 up front. Intergalactic Solar System sells 1 one-off in-app purchase. Universal Zoom asks for nothing beyond the download.

Universal Zoom holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Universal Zoom has 356 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 97% of Universal Zoom's written reviews are positive against 70% of Intergalactic Solar System's.

Universal Zoom ships an update every 4 months, Intergalactic Solar System monthly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Universal Zoom | Intergalactic Solar System |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.8 (356 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) |
| Number of ratings | **356** | 25 |
| Positive reviews | **96.7% of reviews** | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#18** | — |
| Size | 175 MB | 355 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GamifyIt](https://appshunter.io/developer/807673069) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Universal Zoom

[App page](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066)

**Currently charting:** #18 Top Paid · Education, #195 Top Paid (US App Store)

Explore the universe's vastness and intricacy through interactive visual comparisons. Seamlessly zoom from subatomic particles to the observable universe, gaining intuition about scale and size with stunning imagery and clear explanations.

**Highlights:** Seamless zooming across scales, Visual comparisons of objects, Jargon-free scientific explanations, Audio narration, Over 270 objects presented to scale, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fascinating and informative
- 🚀 Smooth and seamless experience
- 💡 Puts things into perspective
- 👍 Great learning tool for all ages
- 👍 Visually appealing and well-designed

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 High battery consumption
- 🔇 Background music could be improved

**Reported bugs**

- Incorrect information for some objects
- Compatibility issues on older devices
- Typos and minor errors in text

**Requested features**

- Add more objects and comparisons
- Customizable object feature
- Support for more languages
- Ability to toggle between metric and imperial units
- Search and filtering options


### 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 Universal Zoom free?

Universal Zoom costs $5.99, 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, Universal Zoom or Intergalactic Solar System?

Universal Zoom is rated higher. Universal Zoom averages 4.8 out of 5 from 356 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.

### Do Universal Zoom or Intergalactic Solar System have ads?

Neither Universal Zoom nor Intergalactic Solar System shows ads.

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

Universal Zoom ships an update every 4 months, and Intergalactic Solar System monthly. Most recently, Universal Zoom was updated on October 16, 2026 and Intergalactic Solar System on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*