# Atom in a Box vs WebMO Premium

The clearest difference is rating: WebMO Premium at 4.0 against Atom in a Box's 3.7. WebMO Premium also leads on price ($4.99 vs $7.99). Atom in a Box's advantage is review sentiment (79% vs 67%) and iOS requirement (10.3 vs 12.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Atom in a Box costs $7.99 and WebMO Premium $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WebMO Premium holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews complicate that: 79% of Atom in a Box's written reviews are positive against 67% of WebMO Premium's, so the app with the better star average is not the one people write more warmly about.

Atom in a Box ships an update every 11 months, WebMO Premium every 17 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Atom in a Box | WebMO Premium |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/atom-in-a-box/id284788633/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/webmo-premium/id1448564335/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | **79.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 17 months |
| Monetization | **Free** | Paid |
| Size | 1 MB | 12 MB |
| Requires iOS | **10.3** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dauger Research, Inc.](https://appshunter.io/developer/284788636) | [WebMO, LLC](https://appshunter.io/developer/797898098) |

## What reviewers say

### Atom in a Box

[App page](https://appshunter.io/ios/app/atom-in-a-box/id284788633)

Explore the quantum world of the Hydrogen atom with interactive 3D visualizations of electron orbitals. This app uses advanced raytracing to show probability densities in real-time, animating and describing 140 eigenstates up to the n=7 energy level. Discover the structure and behavior of atoms.

**Highlights:** 3D volumetric raytracing, Real-time probability density visualization, Animation of 140 eigenstates, Multitouch and accelerometer rotation, Mathematical descriptions of states, Exploration of atomic aspects

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

**In-app purchases:** none


### WebMO Premium

[App page](https://appshunter.io/ios/app/webmo-premium/id1448564335)

This app allows users to build and visualize molecules in 3D, access chemical information from external databases, and interact with advanced computational chemistry programs. It's designed for students and faculty needing mobile access to molecular structures and data.

**Highlights:** 3D molecular editor, VSEPR and molecular mechanics optimization, Orbital and symmetry visualization, Chemical data lookup, Computational chemistry program integration, Spectra visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is Atom in a Box free?

Atom in a Box costs $7.99, with no in-app purchases.

### Is WebMO Premium free?

WebMO Premium costs $4.99, with no in-app purchases.

### Which has better reviews, Atom in a Box or WebMO Premium?

WebMO Premium is rated higher. Atom in a Box averages 3.7 out of 5 from 7 ratings, while WebMO Premium averages 4.0 from 4 ratings.

### Do Atom in a Box or WebMO Premium have ads?

Neither Atom in a Box nor WebMO Premium shows ads.

### Which is updated more often, Atom in a Box or WebMO Premium?

Atom in a Box ships an update every 11 months, and WebMO Premium every 17 months. Most recently, Atom in a Box was updated on October 23, 2026 and WebMO Premium on October 7, 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.*