# MoonBase Explorer vs CosmoSize

The clearest difference is ratings volume: CosmoSize at 6 against MoonBase Explorer's 1. CosmoSize also leads on iOS requirement (15.0 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MoonBase Explorer against 5.0 for CosmoSize. That said, the two scores are not equally well evidenced: CosmoSize has 6 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | MoonBase Explorer | CosmoSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/moonbase-explorer/id6503940111/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/cosmosize-space-to-scale/id6804750214/reviews) |
| Number of ratings | 1 | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 757 MB | 181 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Olivier Boisard](https://appshunter.io/developer/669988007) | [ONLIST](https://appshunter.io/developer/6804750216) |

## What reviewers say

### MoonBase Explorer

[App page](https://appshunter.io/ios/app/moonbase-explorer/id6503940111)

Explore a detailed, realistic lunar base environment. Interact with astronauts and teleport to various locations around the station and surrounding craters. Discover the architecture of a polar research outpost.

**Highlights:** Realistic moon base architecture, Interactive astronaut encounters, Teleportation to 6 key sites, Exploration of lunar environment, Hydroponic greenhouses, Radiation shielding details

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

**In-app purchases:** none


### 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 MoonBase Explorer free?

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

### Is CosmoSize free?

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

### Which has better reviews, MoonBase Explorer or CosmoSize?

MoonBase Explorer and CosmoSize are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do MoonBase Explorer or CosmoSize have ads?

Neither MoonBase Explorer 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.*