Constellation Map mobile vs Raider Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Constellation Map mobile
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.
- 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
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Simply point your device towards the sky and this application will display the names of the stars, constellations and planets. You can check the orbital position of the planet in the solar system on a separate screen. You can also display stars below the horizon. You can display the names of about 100 bright stars, constellations, ecliptic, celestial equator, Deep Sky Objects, ISS, Celestial pole, and so on. You can enlarge or reduce the display by spreading or narrowing (pinch operation) with two fingers. Toggle display / non-display of constellation line, name etc. with double touch.
Raider Unit Converter
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.
- Metric and imperial unit conversion
- Support for various other unit systems
- Display of conversion formulas
- Built-in conversion history log
- Designed for students
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Designed for Texas Tech students to excel in their studies. Convert effortlessly between metric prefixes, imperial units, and many other systems. Each conversion includes the underlying formula so you can understand the math, and a built-in history log helps you keep track of all your past conversions.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Constellation Map mobile | Raider Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.6K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 86.4% of reviews | — |
| Number of ratings | 4.6K — better | 1 |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 39 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | siranet GK | Elias Aydi |
Customer experience
Constellation Map mobile
Raider Unit Converter
Bugs and requests
Constellation Map mobile
Reported bugs
3 issues- App crashes on opening
- Incorrect positioning of sun, moon, and planets
- Constellation names disappearing or not displaying properly
Requested features
4 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Constellation Map mobile
- Remove ads 1 month$1.991 Month
Raider Unit Converter
No in-app purchases
Questions
Is Constellation Map mobile free?
Is Raider Unit Converter free?
Which has better reviews, Constellation Map mobile or Raider Unit Converter?
Do Constellation Map mobile or Raider Unit Converter have ads?
Which is updated more often, Constellation Map mobile or Raider Unit Converter?
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