# Molecule Geometry 3D vs cella

The clearest difference is in-app purchases: Molecule Geometry 3D at none against cella's 1. cella's advantage is device support. On price, rating, ratings volume and iOS requirement there is nothing between them.

Both are free to download. cella sells 1 one-off in-app purchase. Molecule Geometry 3D asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Molecule Geometry 3D against 5.0 for cella. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Molecule Geometry 3D | cella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/molecule-geometry-3d/id6760634608/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cella-crystal-viewer/id6790140743/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 71 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [MOOMOO ENTERTAINMENT LLC](https://appshunter.io/developer/1883644021) | [武汉回到未来科技有限公司](https://appshunter.io/developer/1891400712) |

## What reviewers say

### Molecule Geometry 3D

[App page](https://appshunter.io/ios/app/molecule-geometry-3d/id6760634608)

This interactive tool transforms VSEPR practice into a visual learning experience. Explore pre-built molecules in 3D or construct your own, with immediate feedback on geometric changes. Features include quizzes, guided problem-solving, and detailed structural analysis to build intuition for molecular properties.

**Highlights:** 3D molecule rotation, Custom molecule building, Instant visual feedback, Quiz and guided solver modes, Bond angle measurement, Lewis structure inspection, Save custom builds

**In-app purchases:** none


### cella

[App page](https://appshunter.io/ios/app/cella-crystal-viewer/id6790140743)

Explore crystal structures in interactive 3D. Visualize atomic arrangements, view different molecular models, and access a curated atlas of common materials. Supports CIF file import and export with a one-time purchase.

**Highlights:** Interactive 3D crystal exploration, Fifteen visual Cell Notes, Curated structure atlas, Multiple view modes (ball-and-stick, space-filling), Unit cell and (hkl) plane visualization, CIF file import and export (Pro), No ads, tracking, or analytics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cella Pro | $5.99 | one-time |


## Frequently asked questions

### Is Molecule Geometry 3D free?

Molecule Geometry 3D is free to download, with no in-app purchases.

### Is cella free?

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

### Which has better reviews, Molecule Geometry 3D or cella?

Molecule Geometry 3D and cella are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

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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.*