# WebMO Premium vs ElectronOrbital

The clearest difference is update cadence: ElectronOrbital at every 2 months against WebMO Premium's every 17 months. ElectronOrbital also leads on price ($0.99 vs $4.99). WebMO Premium's advantage is iOS requirement (12.0 vs 14.4). On ads, in-app purchases and device support there is nothing between them.

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

WebMO Premium ships an update every 17 months, ElectronOrbital every 2 months. The most recent releases landed on August 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | WebMO Premium | ElectronOrbital |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/webmo-premium/id1448564335/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **12.0** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [Takao Akatsu](https://appshunter.io/developer/1530946331) |

## What reviewers say

### 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


### ElectronOrbital

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

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

**In-app purchases:** none


## Frequently asked questions

### Is WebMO Premium free?

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

### Is ElectronOrbital free?

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

### Do WebMO Premium or ElectronOrbital have ads?

Neither WebMO Premium nor ElectronOrbital shows ads.

### Which is updated more often, WebMO Premium or ElectronOrbital?

WebMO Premium ships an update every 17 months, and ElectronOrbital every 2 months. Most recently, WebMO Premium was updated on August 23, 2026 and ElectronOrbital on September 10, 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.*