# ElectronOrbital vs Structure Viewer

The clearest difference is price: Structure Viewer at Free against ElectronOrbital's $0.99. Structure Viewer also leads on iOS requirement (11.0 vs 14.4). On ads, in-app purchases and device support there is nothing between them.

Structure Viewer is free to download; ElectronOrbital costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ElectronOrbital | Structure Viewer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/structure-viewer/id1605647084/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Free |
| Size | 1 MB | 45 MB |
| Requires iOS | 14.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takao Akatsu](https://appshunter.io/developer/1530946331) | [Jeff Shafferman](https://appshunter.io/developer/1605647086) |

## What reviewers say

### ElectronOrbital

[App page](https://appshunter.io/ios/app/electronorbital/id1602247689)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ElectronOrbital free?

ElectronOrbital costs $0.99, with no in-app purchases.

### Is Structure Viewer free?

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

### Do ElectronOrbital or Structure Viewer have ads?

Neither ElectronOrbital nor Structure Viewer 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.*