# Molecule vs Molecular Constructor

The clearest difference is update cadence: Molecule at every 4 months against Molecular Constructor's every 12 months. Molecule also leads on iOS requirement (7.0 vs 12.0). Molecular Constructor's advantage is ratings volume (52 vs 10). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.0 for Molecule against 3.9 for Molecular Constructor. That said, the two scores are not equally well evidenced: Molecular Constructor has 52 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 76% of Molecule's written reviews are positive against 75% of Molecular Constructor's.

Molecule ships an update every 4 months, Molecular Constructor every 12 months. The most recent releases landed on August 30, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Molecule | Molecular Constructor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/molecule/id797331776/reviews)** | [3.9 (52 ratings)](https://appshunter.io/ios/app/molecular-constructor/id1299401504/reviews) |
| Number of ratings | 10 | **52** |
| Positive reviews | **76.2% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 9 MB | 10 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Alexander Teplukhin](https://appshunter.io/developer/1299401503) |

## What reviewers say

### Molecule

[App page](https://appshunter.io/ios/app/molecule/id797331776)

This app allows users to create and share chemical structures with ease. It calculates molecular formula, weight, and elemental composition in real-time as you draw. Ideal for students and researchers needing a simple tool for molecular visualization.

**Highlights:** Draw chemical structures, Share structures, Calculate MF, MW, Monoisotopic Mass, Calculate Elemental Composition, Interactive calculations, Modern interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Molecular Constructor

[App page](https://appshunter.io/ios/app/molecular-constructor/id1299401504)

Create and optimize 3D molecular models. This free software allows users to design molecules and refine their geometry simultaneously. A more advanced desktop version is also available.

**Highlights:** Build molecules in 3D, Design molecular structures, Optimize geometry, Free software, Desktop version available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Molecule free?

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

### Is Molecular Constructor free?

Molecular Constructor is free to download, with no in-app purchases.

### Which has better reviews, Molecule or Molecular Constructor?

Molecule is rated higher. Molecule averages 4.0 out of 5 from 10 ratings, while Molecular Constructor averages 3.9 from 52 ratings.

### Do Molecule or Molecular Constructor have ads?

Neither Molecule nor Molecular Constructor shows ads.

### Which is updated more often, Molecule or Molecular Constructor?

Molecule ships an update every 4 months, and Molecular Constructor every 12 months. Most recently, Molecule was updated on August 30, 2026 and Molecular Constructor on August 29, 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.*