# Orbitarium Solar System vs CosmoSize

The clearest difference is in-app purchases: CosmoSize at none against Orbitarium Solar System's 3. CosmoSize also leads on iOS requirement (15.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Orbitarium Solar System sells 3 one-off in-app purchases. CosmoSize asks for nothing beyond the download.

## The numbers

| Metric | Orbitarium Solar System | CosmoSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/cosmosize-space-to-scale/id6804750214/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | — | Free |
| Size | 5 MB | 181 MB |
| Requires iOS | 26.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Faas](https://appshunter.io/developer/1881407271) | [ONLIST](https://appshunter.io/developer/6804750216) |

## What reviewers say

### Orbitarium Solar System

[App page](https://appshunter.io/ios/app/orbitarium-solar-system/id6770134077)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $1.99 | one-time |
| Big Coffee | $3.99 | one-time |
| Lunch | $8.99 | one-time |


### CosmoSize

[App page](https://appshunter.io/ios/app/cosmosize-space-to-scale/id6804750214)

Explore the vastness of the universe through an interactive gallery of celestial objects. Compare sizes, learn scientific facts, and navigate cosmic scales with intuitive gestures. Ideal for educational settings and curious minds.

**Highlights:** Interactive celestial object gallery, Compare sizes with familiar objects, Learn science facts, Multi-language support, Offline core content, Guided educational display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orbitarium Solar System free?

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

### Is CosmoSize free?

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

### Do Orbitarium Solar System or CosmoSize have ads?

Neither Orbitarium Solar System nor CosmoSize 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.*