# SPARC_Rowan vs Catalyst302

The clearest difference is update cadence: SPARC_Rowan at weekly against Catalyst302's every 4 weeks. SPARC_Rowan also leads on iOS requirement (13.0 vs 15.1). Catalyst302's advantage is device support (4 vs 2). On price, 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 ships an update weekly, Catalyst302 every 4 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SPARC_Rowan | Catalyst302 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sparc-rowan/id6447313595/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Free | — |
| Size | 2.4 GB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Ying Tang](https://appshunter.io/developer/1803456332) | [Catalyst Community Church, Inc.](https://appshunter.io/developer/1784119223) |

## 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


### Catalyst302

[App page](https://appshunter.io/ios/app/catalyst302/id6739186171)

**In-app purchases:** none


## Frequently asked questions

### Is SPARC_Rowan free?

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

### Is Catalyst302 free?

Catalyst302 is free to download, with no in-app purchases.

### Do SPARC_Rowan or Catalyst302 have ads?

Neither SPARC_Rowan nor Catalyst302 shows ads.

### Which is updated more often, SPARC_Rowan or Catalyst302?

SPARC_Rowan ships an update weekly, and Catalyst302 every 4 weeks. Most recently, SPARC_Rowan was updated on October 4, 2026 and Catalyst302 on October 10, 2026.

---

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