# Earth Science Explorer vs Astrelia

The clearest difference is price: Astrelia at Free against Earth Science Explorer's $1.99. Earth Science Explorer's advantage is iOS requirement (12.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Astrelia is free to download; Earth Science Explorer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Earth Science Explorer | Astrelia |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 57 MB | 41 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Elysia Munoz](https://appshunter.io/developer/1884526660) |

## What reviewers say

### Earth Science Explorer

[App page](https://appshunter.io/ios/app/earth-science-explorer/id1248941619)

**In-app purchases:** none


### Astrelia

[App page](https://appshunter.io/ios/app/astrelia/id6804829721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Earth Science Explorer free?

Earth Science Explorer costs $1.99, with no in-app purchases.

### Is Astrelia free?

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

### Do Earth Science Explorer or Astrelia have ads?

Neither Earth Science Explorer nor Astrelia 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.*