# Atomic Orbitalz vs WebMO Premium

The clearest difference is price: Atomic Orbitalz at $0.99 against WebMO Premium's $4.99. Atomic Orbitalz also leads on update cadence (every 8 months vs every 17 months). WebMO Premium's advantage is review sentiment (67% vs 50%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Atomic Orbitalz costs $0.99 and WebMO Premium $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atomic Orbitalz ships an update every 8 months, WebMO Premium every 17 months. The most recent releases landed on September 27, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Atomic Orbitalz | WebMO Premium |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/webmo-premium/id1448564335/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 63 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Burkett](https://appshunter.io/developer/1254864326) | [WebMO, LLC](https://appshunter.io/developer/797898098) |

## What reviewers say

### Atomic Orbitalz

[App page](https://appshunter.io/ios/app/atomic-orbitalz/id1271104130)

Visualize and manipulate 3D atomic orbitals for a hydrogen atom. Explore s, p, d, and f orbitals from any angle, and superimpose them to understand their interactions. Ideal for chemistry students and enthusiasts.

**Highlights:** 3D atomic orbital models, View and manipulate orbitals, Explore s, p, d, and f orbitals, Superimpose orbitals for interaction study, Textbook companion, Rotate models from any angle

**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 Atomic Orbitalz free?

Atomic Orbitalz costs $0.99, with no in-app purchases.

### Is WebMO Premium free?

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

### Do Atomic Orbitalz or WebMO Premium have ads?

Neither Atomic Orbitalz nor WebMO Premium shows ads.

### Which is updated more often, Atomic Orbitalz or WebMO Premium?

Atomic Orbitalz ships an update every 8 months, and WebMO Premium every 17 months. Most recently, Atomic Orbitalz was updated on September 27, 2026 and WebMO Premium on August 23, 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.*