# Structure Viewer vs SPARC_Rowan

The clearest difference is iOS requirement: Structure Viewer at 11.0 against SPARC_Rowan's 13.0. 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.

## The numbers

| Metric | Structure Viewer | SPARC_Rowan |
| --- | --- | --- |
| 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 |
| Monetization | Free | Free |
| Size | 45 MB | 2.4 GB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Shafferman](https://appshunter.io/developer/1605647086) | [Ying Tang](https://appshunter.io/developer/1803456332) |

## What reviewers say

### Structure Viewer

[App page](https://appshunter.io/ios/app/structure-viewer/id1605647084)

Visualize molecular structures in 2D by entering their common names. This educational tool displays chemical structures with all hydrogen atoms clearly rendered.

**Highlights:** Enter common molecular names, Render structures in 2D, Display all hydrogens, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Structure Viewer free?

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

### Is SPARC_Rowan free?

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

### Do Structure Viewer or SPARC_Rowan have ads?

Neither Structure Viewer nor SPARC_Rowan shows ads.

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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.*