# glacial vs BlueSkyWatcher

The clearest difference is iOS requirement: glacial at 13.0 against BlueSkyWatcher'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 | glacial | BlueSkyWatcher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 48 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [CHIAHAO TSAI](https://appshunter.io/developer/1813670443) | [DANIEL CHARLES MORGAN](https://appshunter.io/developer/1883785692) |

## What reviewers say

### glacial

[App page](https://appshunter.io/ios/app/glacial/id6745746223)

**In-app purchases:** none


### BlueSkyWatcher

[App page](https://appshunter.io/ios/app/blueskywatcher/id6760314077)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is glacial free?

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

### Is BlueSkyWatcher free?

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

### Do glacial or BlueSkyWatcher have ads?

Neither glacial nor BlueSkyWatcher 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.*