# WebMO Molecule Editor vs Functional Groups

The clearest difference is rating: Functional Groups at 4.9 against WebMO Molecule Editor's 4.0. Functional Groups also leads on review sentiment (100% vs 60%). WebMO Molecule Editor's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. WebMO Molecule Editor sells 2 one-off in-app purchases and Functional Groups sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Functional Groups holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 40 and 21 respectively. Written reviews point the same way: 60% of WebMO Molecule Editor's written reviews are positive against 100% of Functional Groups's.

WebMO Molecule Editor ships an update every 3 months, Functional Groups every 4 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | WebMO Molecule Editor | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | **40** | 21 |
| Positive reviews | 60.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### WebMO Molecule Editor

[App page](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095)

Create and explore 3D molecular structures, visualize chemical properties, and access extensive chemical databases. This tool is ideal for students and educators needing on-the-go access to molecular information and computational chemistry resources.

**Highlights:** 3D molecular editor, Structure optimization, Orbital and symmetry visualization, Chemical database lookup, Spectra visualization, High-resolution image capture, Computational chemistry program integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WebMO Premium for paid users | Free | one-time |
| WebMO Premium | $4.99 | one-time |


### Functional Groups

[App page](https://appshunter.io/ios/app/functional-groups/id1670252638)

Master organic chemistry functional groups through an engaging and interactive learning experience. Ideal for students in introductory or advanced courses, MCAT prep, and A-Level chemistry, this app covers dozens of essential groups with practice modes and progress tracking.

**Highlights:** 25+ basic and advanced functional groups, 300+ organic compounds, Multiple practice modes, Customizable study groups, Personalized review, Reference table and definitions, Progress tracking with achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is WebMO Molecule Editor free?

WebMO Molecule Editor is free to download, with in-app purchases available.

### Is Functional Groups free?

Functional Groups is free to download, with in-app purchases available.

### Which has better reviews, WebMO Molecule Editor or Functional Groups?

Functional Groups is rated higher. WebMO Molecule Editor averages 4.0 out of 5 from 40 ratings, while Functional Groups averages 4.9 from 21 ratings.

### Do WebMO Molecule Editor or Functional Groups have ads?

Neither WebMO Molecule Editor nor Functional Groups shows ads.

### Which is updated more often, WebMO Molecule Editor or Functional Groups?

WebMO Molecule Editor ships an update every 3 months, and Functional Groups every 4 months. Most recently, WebMO Molecule Editor was updated on October 15, 2026 and Functional Groups on October 11, 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.*