# Constellation Map mobile vs Raider Unit Converter

The clearest difference is in-app purchases: Raider Unit Converter at none against Constellation Map mobile's 1. Raider Unit Converter also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Constellation Map mobile's advantage is ratings volume (4.6K vs 1). On price, device support and iOS requirement there is nothing between them.

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

Raider Unit Converter 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 1, so its average is the more settled of the two.

Constellation Map mobile ships an update every 3 weeks, Raider Unit Converter daily. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Constellation Map mobile | Raider Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (4.6K ratings)](https://appshunter.io/ios/app/constellation-map-mobile/id1435568096/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/raider-unit-converter/id6755972599/reviews)** |
| Number of ratings | **4.6K** | 1 |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 5 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [siranet GK](https://appshunter.io/developer/1435568095) | [Elias Aydi](https://appshunter.io/developer/1857747262) |

## 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


### Raider Unit Converter

[App page](https://appshunter.io/ios/app/raider-unit-converter/id6755972599)

This app helps students convert units with ease, offering metric, imperial, and other systems. It displays conversion formulas for better understanding and maintains a history of all past conversions.

**Highlights:** Metric and imperial unit conversion, Support for various other unit systems, Display of conversion formulas, Built-in conversion history log, Designed for students

**In-app purchases:** none


## Frequently asked questions

### Is Constellation Map mobile free?

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

### Is Raider Unit Converter free?

Raider Unit Converter is free to download, with no in-app purchases.

### Which has better reviews, Constellation Map mobile or Raider Unit Converter?

Raider Unit Converter is rated higher. Constellation Map mobile averages 4.7 out of 5 from 4.6K ratings, while Raider Unit Converter averages 5.0 from 1 ratings.

### Do Constellation Map mobile or Raider Unit Converter have ads?

Constellation Map mobile shows ads; Raider Unit Converter does not.

### Which is updated more often, Constellation Map mobile or Raider Unit Converter?

Constellation Map mobile ships an update every 3 weeks, and Raider Unit Converter daily. Most recently, Constellation Map mobile was updated on November 11, 2026 and Raider Unit Converter on October 30, 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.*