# Intergalactic Solar System vs Univerzoom 2D Size Comparison

The clearest difference is rating: Univerzoom 2D Size Comparison at 4.6 against Intergalactic Solar System's 4.0. Univerzoom 2D Size Comparison also leads on review sentiment (100% vs 70%) and update cadence (weekly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Intergalactic Solar System sells 1 one-off in-app purchase and Univerzoom 2D Size Comparison sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Univerzoom 2D Size Comparison holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 25 and 77 respectively. Written reviews point the same way: 70% of Intergalactic Solar System's written reviews are positive against 100% of Univerzoom 2D Size Comparison's.

Intergalactic Solar System ships an update monthly, Univerzoom 2D Size Comparison weekly. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Intergalactic Solar System | Univerzoom 2D Size Comparison |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/intergalactic-solar-system/id1505399254/reviews) | **[4.6 (77 ratings)](https://appshunter.io/ios/app/univerzoom-2d-size-comparison/id1598332779/reviews)** |
| Number of ratings | 25 | **77** |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 355 MB | 254 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## 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 |


### Univerzoom 2D Size Comparison

[App page](https://appshunter.io/ios/app/univerzoom-2d-size-comparison/id1598332779)

Explore the relative sizes of everyday objects with minimalist visual comparisons. Create and share custom comparisons of vehicles, animals, landmarks, and more to understand their true dimensions. Perfect for students, educators, and anyone curious about scale.

**Highlights:** Create custom size comparisons, Explore terrestrial object categories, Visualize dimensions in orthogonal perspective, Customize comparisons with an easy interface, Save and share visual references

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Complete Collection | $1.99 | one-time |
| Premium Unlock | $1.99 | one-time |
| Complete Collection | $3.99 | one-time |


## Frequently asked questions

### Is Intergalactic Solar System free?

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

### Is Univerzoom 2D Size Comparison free?

Univerzoom 2D Size Comparison is free to download, with in-app purchases available.

### Which has better reviews, Intergalactic Solar System or Univerzoom 2D Size Comparison?

Univerzoom 2D Size Comparison is rated higher. Intergalactic Solar System averages 4.0 out of 5 from 25 ratings, while Univerzoom 2D Size Comparison averages 4.6 from 77 ratings.

### Do Intergalactic Solar System or Univerzoom 2D Size Comparison have ads?

Neither Intergalactic Solar System nor Univerzoom 2D Size Comparison shows ads.

### Which is updated more often, Intergalactic Solar System or Univerzoom 2D Size Comparison?

Intergalactic Solar System ships an update monthly, and Univerzoom 2D Size Comparison weekly. Most recently, Intergalactic Solar System was updated on October 9, 2026 and Univerzoom 2D Size Comparison on October 30, 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.*