# SPARC_Rowan vs 3D Star Map

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.

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.

## The numbers

| Metric | SPARC_Rowan | 3D Star Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sparc-rowan/id6447313595/reviews)** | [4.4 (9 ratings)](https://appshunter.io/ios/app/3d-star-map/id6758356924/reviews) |
| Number of ratings | 3 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 2.4 GB | 100 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ying Tang](https://appshunter.io/developer/1803456332) | [Alexander Winn](https://appshunter.io/developer/652547902) |

## What reviewers say

### SPARC_Rowan

[App page](https://appshunter.io/ios/app/sparc-rowan/id6447313595)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Star Map

[App page](https://appshunter.io/ios/app/3d-star-map/id6758356924)

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.

**Highlights:** 3D space exploration, Over 700 local stars, Detailed star information, Zoom, rotate, and move, Relaxing animations, Educational content

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPARC_Rowan free?

SPARC_Rowan is free to download, with no in-app purchases.

### Is 3D Star Map free?

3D Star Map is free to download, with no in-app purchases.

### Which has better reviews, SPARC_Rowan or 3D Star Map?

SPARC_Rowan is rated higher. SPARC_Rowan averages 5.0 out of 5 from 3 ratings, while 3D Star Map averages 4.4 from 9 ratings.

### Do SPARC_Rowan or 3D Star Map have ads?

Neither SPARC_Rowan nor 3D Star Map shows ads.

### Which is updated more often, SPARC_Rowan or 3D Star Map?

SPARC_Rowan ships an update weekly, and 3D Star Map every 2 weeks. Most recently, SPARC_Rowan was updated on October 4, 2026 and 3D Star Map on October 2, 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.*