# WebMO Molecule Editor vs Crystal Lattice

The clearest difference is review sentiment: Crystal Lattice at 100% against WebMO Molecule Editor's 60%. Crystal Lattice also leads on in-app purchases (none vs 2). WebMO Molecule Editor's advantage is ads (none vs shown) and update cadence (every 3 months vs every 8 months). On price and device support there is nothing between them.

Both are free to download. WebMO Molecule Editor sells 2 one-off in-app purchases. Crystal Lattice asks for nothing beyond the download.

WebMO Molecule Editor ships an update every 3 months, Crystal Lattice every 8 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | WebMO Molecule Editor | Crystal Lattice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/webmo-molecule-editor/id797898095/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 60.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 9 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebMO, LLC](https://appshunter.io/developer/797898098) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## 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 |


### Crystal Lattice

[App page](https://appshunter.io/ios/app/crystal-lattice/id6466785450)

Explore 3D crystal lattice structures with interactive scaling and rotation. Learn to calculate key properties for various crystal types, including metal, ionic, and covalent. Ideal for understanding complex atomic arrangements.

**Highlights:** Interactive 3D crystal lattice models, Scale and rotate structures, Calculate coordination number, Calculate number of atoms/ions, Atomic packing factor calculation, Explanations for various crystal types

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

**In-app purchases:** none


## Frequently asked questions

### Is WebMO Molecule Editor free?

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

### Is Crystal Lattice free?

Crystal Lattice is free to download, with no in-app purchases.

### Do WebMO Molecule Editor or Crystal Lattice have ads?

Crystal Lattice shows ads; WebMO Molecule Editor does not.

### Which is updated more often, WebMO Molecule Editor or Crystal Lattice?

WebMO Molecule Editor ships an update every 3 months, and Crystal Lattice every 8 months. Most recently, WebMO Molecule Editor was updated on October 23, 2026 and Crystal Lattice on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*