# 88 constellations vs Sky Academy

The clearest difference is in-app purchases: 88 constellations at none against Sky Academy's 1. Sky Academy's advantage is ratings volume (198 vs 1) and device support (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Sky Academy sells 1 one-off in-app purchase. 88 constellations asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 88 constellations against 4.9 for Sky Academy. That said, the two scores are not equally well evidenced: Sky Academy has 198 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 88 constellations | Sky Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/88-constellations/id879825049/reviews)** | [4.9 (198 ratings)](https://appshunter.io/ios/app/sky-academy-learn-astronomy/id1571488252/reviews) |
| Number of ratings | 1 | **198** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 45 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Vascak](https://appshunter.io/developer/868771511) | [Xiang Dong](https://appshunter.io/developer/1511041685) |

## What reviewers say

### 88 constellations

[App page](https://appshunter.io/ios/app/88-constellations/id879825049)

Explore the night sky and identify celestial objects like stars, planets, and constellations. Set the sky to any position and time to learn about the universe.

**Highlights:** Identify stars and planets, View constellations, Set sky position and time, Interactive sky map, Educational astronomy tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 88 constellations free?

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

### Is Sky Academy free?

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

### Which has better reviews, 88 constellations or Sky Academy?

88 constellations is rated higher. 88 constellations averages 5.0 out of 5 from 1 ratings, while Sky Academy averages 4.9 from 198 ratings.

### Do 88 constellations or Sky Academy have ads?

Neither 88 constellations nor Sky Academy shows ads.

### Which is updated more often, 88 constellations or Sky Academy?

88 constellations ships an update every 4 months, and Sky Academy every 4 months. Most recently, 88 constellations was updated on November 1, 2026 and Sky Academy on November 7, 2026.

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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.*