# Constellation88 vs Astrophy

The clearest difference is iOS requirement: Astrophy at 13.0 against Constellation88's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Constellation88 | Astrophy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 10 MB | 36 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [One Choi](https://appshunter.io/developer/1874544855) | [Bhuvan Kumar Gupta](https://appshunter.io/developer/1892689909) |

## What reviewers say

### Constellation88

[App page](https://appshunter.io/ios/app/constellation88/id6758706710)

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

**In-app purchases:** none


### Astrophy

[App page](https://appshunter.io/ios/app/astrophy-astronomy-made-fun/id6762054322)

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

**In-app purchases:** none


## Frequently asked questions

### Is Constellation88 free?

Constellation88 is free to download, with no in-app purchases.

### Is Astrophy free?

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

### Do Constellation88 or Astrophy have ads?

Neither Constellation88 nor Astrophy 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.*