3D Star Map vs CosmoSize
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Star Map
Explore over 700 stars in our local star cluster in a 3D space simulation. Zoom, rotate, and learn about neighboring star systems with detailed information available on tap. Perfect for research or satisfying cosmic curiosity.
- 3D space exploration
- Over 700 local stars
- Detailed star information
- Zoom, rotate, and move
- Relaxing animations
- Educational content
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Explore the local cluster with over 700 stars around our Sun! Zoom, rotate, and move through the 3D space surrounding our solar system, and learn about our neighboring star systems. Tap on a star for detailed information about it, or just wander through space with beautiful and relaxing animations. Whether you're using it for research or just to feed your insatiable curiosity, the 3D Star Map is here to help you learn more about our place in the universe!
CosmoSize
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How large is the universe? Numbers are easy to read, but cosmic scale is hard to feel. CosmoSize arranges 128 celestial objects by real diameter in one interactive gallery. Begin with 151 meter Dimorphos, then travel through planets, stars, black holes, nebulae and galaxies. You can: 1. Drag with one finger to travel between objects 2. Pinch with two fingers to explore changes in scale 3. Tap any object to see its diameter and science story 4. Compare celestial objects with a person, a blue whale, Voyager 1, the International Space Station and Mount Everest 5. Jump between All Objects, Deep Space, Black Holes, the Solar System and Stars 6. Explore freely in Personal mode 7. Run an automatic guided display in classrooms, homes and exhibitions 8. Switch between Chinese, English, Japanese, Korean and Spanish No account is required. The app contains no advertising, in app purchases, analytics or cross app tracking. Core content works offline.
Screenshots
Verdict
The clearest difference is rating: CosmoSize at 5.0 against 3D Star Map's 4.5. 3D Star Map's advantage is ratings volume (10 vs 3) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
CosmoSize holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 10 and 3 respectively.
| Parameter | 3D Star Map | CosmoSize |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (10 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | 3 |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 100 MB | 181 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Winn | ONLIST |
In-app purchases
3D Star Map
No in-app purchases
CosmoSize
No in-app purchases
Questions
Is 3D Star Map free?
Is CosmoSize free?
Which has better reviews, 3D Star Map or CosmoSize?
Do 3D Star Map or CosmoSize have ads?
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