# Sky Academy vs RiSet Sky

The clearest difference is price: Sky Academy at Free against RiSet Sky's $1.99. Sky Academy also leads on iOS requirement (12.0 vs 18.0). RiSet Sky's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Sky Academy is free to download; RiSet Sky costs $1.99 up front. Sky Academy sells 1 one-off in-app purchase. RiSet Sky asks for nothing beyond the download.

## The numbers

| Metric | Sky Academy | RiSet Sky |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (194 ratings)](https://appshunter.io/ios/app/sky-academy-learn-astronomy/id1571488252/reviews)** | — |
| Number of ratings | **194** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 9 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiang Dong](https://appshunter.io/developer/1511041685) | [MICHAEL K D SIBBERNSEN](https://appshunter.io/developer/6813751060) |

## What reviewers say

### Sky Academy

[App page](https://appshunter.io/ios/app/sky-academy-learn-astronomy/id1571488252)

Learn about constellations, stars, and deep sky objects through interactive levels and quizzes. Features realistic sky simulations, customizable learning paths, and offline access. Gamified approach makes astronomy engaging and accessible.

**Highlights:** Learn 88 constellations, 150+ stars, 110 Deep Sky Objects, 123+ levels for constellations, stars, and DSOs, Customizable learning lists, Three difficulty modes per level, Realistic night sky simulation, Offline access, no ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


### RiSet Sky

[App page](https://appshunter.io/ios/app/riset-sky/id6813751058)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sky Academy free?

Sky Academy is free to download, with in-app purchases available.

### Is RiSet Sky free?

RiSet Sky costs $1.99, with no in-app purchases.

### Do Sky Academy or RiSet Sky have ads?

Neither Sky Academy nor RiSet Sky 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.*