# Constellation Map mobile vs 星空ナビ

Constellation Map mobile and 星空ナビ both sit at 4.7 stars, but that hides the real split: 86% of Constellation Map mobile's written reviews are positive against 29% of 星空ナビ's. Constellation Map mobile also leads on ratings volume (4.6K vs 3) and iOS requirement (13.0 vs 15.1). 星空ナビ's advantage is ads (none vs shown). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Constellation Map mobile sells 1 in-app purchase, starting at $1.99 per month and 星空ナビ sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Constellation Map mobile against 4.7 for 星空ナビ. That said, the two scores are not equally well evidenced: Constellation Map mobile has 4.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 86% of Constellation Map mobile's written reviews are positive against 29% of 星空ナビ's.

Constellation Map mobile ships an update every 3 weeks, 星空ナビ every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Constellation Map mobile | 星空ナビ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.6K ratings)](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/id1437609381/reviews) |
| Number of ratings | **4.6K** | 3 |
| Positive reviews | **86.4% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 106 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [siranet GK](https://appshunter.io/developer/1435568095) | [AstroArts Inc.](https://appshunter.io/developer/293118838) |

## What reviewers say

### Constellation Map mobile

[App page](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096)

Explore the night sky by pointing your device upwards. Identify stars, constellations, and planets with detailed information. View celestial bodies below the horizon and track planetary orbits.

**Highlights:** Identify stars, constellations, and planets, View celestial bodies below the horizon, Track planetary orbits, Display over 100 bright stars and objects, Zoom and pan with touch gestures, Toggle display of constellation lines and names

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads  1 month | $1.99 | per month |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate star/planet mapping
- 💡 Helpful for beginners and experts
- 🌟 Great for stargazing and astrophotography
- 🌙 Useful moon phase and solar orbit information

**What reviewers complain about**

- 🐛 Alignment/calibration issues
- 🔀 Reversed/incorrect orientation
- 🔍 Difficulty locating specific celestial objects
- 💻 Compatibility problems on some devices

**Reported bugs**

- App crashes on opening
- Incorrect positioning of sun, moon, and planets
- Constellation names disappearing or not displaying properly

**Requested features**

- Add option to view constellations from inside the celestial sphere
- Improve search functionality to easily find planets, stars, and galaxies
- Provide more detailed information and descriptions for celestial objects
- Add ability to calibrate the app to match the actual sky view


### 星空ナビ

[App page](https://appshunter.io/ios/app/id1437609381)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料会員（１ヶ月） | $1.49 | per month |
| 有料会員（１年） | $13.99 | per year |


## Frequently asked questions

### Is Constellation Map mobile free?

Constellation Map mobile is free to download, with in-app purchases available.

### Is 星空ナビ free?

星空ナビ is free to download, with in-app purchases available.

### Which has better reviews, Constellation Map mobile or 星空ナビ?

Constellation Map mobile is rated higher. Constellation Map mobile averages 4.7 out of 5 from 4.6K ratings, while 星空ナビ averages 4.7 from 3 ratings.

### Do Constellation Map mobile or 星空ナビ have ads?

Constellation Map mobile shows ads; 星空ナビ does not.

### Which is updated more often, Constellation Map mobile or 星空ナビ?

Constellation Map mobile ships an update every 3 weeks, and 星空ナビ every 6 weeks. Most recently, Constellation Map mobile was updated on October 24, 2026 and 星空ナビ on October 24, 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.*