# SPARC_Rowan vs Real Solar System

The clearest difference is rating: SPARC_Rowan at 5.0 against Real Solar System's 1.0. SPARC_Rowan also leads on update cadence (weekly vs monthly) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

SPARC_Rowan ships an update weekly, Real Solar System monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | SPARC_Rowan | Real Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sparc-rowan/id6447313595/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/real-solar-system/id6475644962/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 2.4 GB | 302 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ying Tang](https://appshunter.io/developer/1803456332) | [Masaya Nagaoka](https://appshunter.io/developer/1698240335) |

## 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


### Real Solar System

[App page](https://appshunter.io/ios/app/real-solar-system/id6475644962)

Explore a realistic solar system simulation using augmented reality. View the orbits of planets and celestial bodies based on real-time data, with adjustable speeds and zoom functions. Discover different objects and learn about their positions in space.

**Highlights:** Realistic AR solar system simulation, Orbits of 8 planets displayed, Realistic planet textures, Planet positions based on real values, Adjustable speed and zoom, Changeable celestial objects

**In-app purchases:** none


## Frequently asked questions

### Is SPARC_Rowan free?

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

### Is Real Solar System free?

Real Solar System is free to download, with no in-app purchases.

### Which has better reviews, SPARC_Rowan or Real Solar System?

SPARC_Rowan is rated higher. SPARC_Rowan averages 5.0 out of 5 from 3 ratings, while Real Solar System averages 1.0 from 1 ratings.

### Do SPARC_Rowan or Real Solar System have ads?

Neither SPARC_Rowan nor Real Solar System shows ads.

### Which is updated more often, SPARC_Rowan or Real Solar System?

SPARC_Rowan ships an update weekly, and Real Solar System monthly. Most recently, SPARC_Rowan was updated on October 30, 2026 and Real Solar System on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
