# Aysel vs Open Planetarium

The clearest difference is iOS requirement: Open Planetarium at 13.0 against Aysel's 15.0. 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 | Aysel | Open Planetarium |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 65 MB | 26 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moustafa Sewedan](https://appshunter.io/developer/1661073019) | [CatsAI Agency](https://appshunter.io/developer/6799471013) |

## What reviewers say

### Aysel

[App page](https://appshunter.io/ios/app/aysel/id1662185902)

**In-app purchases:** none


### Open Planetarium

[App page](https://appshunter.io/ios/app/open-planetarium/id6799616519)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aysel free?

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

### Is Open Planetarium free?

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

### Do Aysel or Open Planetarium have ads?

Neither Aysel nor Open Planetarium 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.*