# Birth Light Astronomy vs Constellation Map mobile

The clearest difference is in-app purchases: Birth Light Astronomy at none against Constellation Map mobile's 1. Birth Light Astronomy also leads on ads (none vs shown) and rating (5.0 vs 4.7). Constellation Map mobile's advantage is ratings volume (4.6K vs 2) and update cadence (every 3 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Constellation Map mobile sells 1 in-app purchase, starting at $1.99 per month. Birth Light Astronomy asks for nothing beyond the download.

Birth Light Astronomy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Constellation Map mobile has 4.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Birth Light Astronomy's written reviews are positive against 86% of Constellation Map mobile's.

Birth Light Astronomy ships an update every 4 months, Constellation Map mobile every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Birth Light Astronomy | Constellation Map mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/birth-light-astronomy/id1193133495/reviews)** | [4.7 (4.6K ratings)](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096/reviews) |
| Number of ratings | 2 | **4.6K** |
| Positive reviews | **100.0% of reviews** | 86.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 39 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Tempchin](https://appshunter.io/developer/1193133494) | [siranet GK](https://appshunter.io/developer/1435568095) |

## What reviewers say

### Birth Light Astronomy

[App page](https://appshunter.io/ios/app/birth-light-astronomy/id1193133495)

Explore the cosmos and see the stars as they appeared on any date, including your birthday. This app uses your location and augmented reality to guide you to specific stars visible in the night sky.

**Highlights:** View stars from the past, Augmented reality sky view, Star rise and set times, Catalog of over 5000 stars, Location-based visibility, Customizable dates

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Birth Light Astronomy free?

Birth Light Astronomy is free to download, with no in-app purchases.

### Is Constellation Map mobile free?

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

### Which has better reviews, Birth Light Astronomy or Constellation Map mobile?

Birth Light Astronomy is rated higher. Birth Light Astronomy averages 5.0 out of 5 from 2 ratings, while Constellation Map mobile averages 4.7 from 4.6K ratings.

### Do Birth Light Astronomy or Constellation Map mobile have ads?

Constellation Map mobile shows ads; Birth Light Astronomy does not.

### Which is updated more often, Birth Light Astronomy or Constellation Map mobile?

Birth Light Astronomy ships an update every 4 months, and Constellation Map mobile every 3 weeks. Most recently, Birth Light Astronomy was updated on October 8, 2026 and Constellation Map mobile on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*