SPARC_Rowan vs 3D Star Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPARC_Rowan
Explore the human body's cells and blood circulation with this educational app. Learn about red and white blood cells, platelets, and albumin, along with basic cell structure and principles of force and motion.
- Human body cell education
- Blood circulation simulation
- White blood cell details
- Red blood cell details
- Platelet and albumin information
- Basic cell structure
- Force and motion concepts
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This is an educational app that aims to teach kids about human body cells and blood circulation. It contains white blood cells, red blood cells, platelets, and albumin. Also includes a basic general cell structure, and some "Force and Motion" knowledge
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!
Screenshots
Verdict
The clearest difference is rating: SPARC_Rowan at 5.0 against 3D Star Map's 4.4. 3D Star Map's advantage is ratings volume (9 vs 3). On price, update cadence, ads and in-app purchases 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.
SPARC_Rowan holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 3 and 9 respectively.
SPARC_Rowan ships an update weekly, 3D Star Map every 2 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.
| Parameter | SPARC_Rowan | 3D Star Map |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.4 (9 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 9 — better |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 2.4 GB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Ying Tang | Alexander Winn |
Customer experience
SPARC_Rowan
3D Star Map
In-app purchases
SPARC_Rowan
No in-app purchases
3D Star Map
No in-app purchases
Questions
Is SPARC_Rowan free?
Is 3D Star Map free?
Which has better reviews, SPARC_Rowan or 3D Star Map?
Do SPARC_Rowan or 3D Star Map have ads?
Which is updated more often, SPARC_Rowan or 3D Star Map?
Other comparisons
