# Molecule vs iORA

The clearest difference is rating: iORA at 5.0 against Molecule's 4.0. iORA also leads on review sentiment (100% vs 76%). Molecule's advantage is iOS requirement (7.0 vs 14.3). On price, ratings volume, update cadence 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.

iORA holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 10 and 12 respectively. Written reviews point the same way: 76% of Molecule's written reviews are positive against 100% of iORA's.

Molecule ships an update every 4 months, iORA every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Molecule | iORA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/molecule/id797331776/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913/reviews)** |
| Number of ratings | 10 | **12** |
| Positive reviews | 76.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 9 MB | 40 MB |
| Requires iOS | **7.0** | 14.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Daniel Ess](https://appshunter.io/developer/1609524915) |

## 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


### iORA

[App page](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913)

Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.

**Highlights:** 3D chemical reaction visualization, Quantum-mechanical simulations, Interactive learning, Easy to use interface, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Molecule free?

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

### Is iORA free?

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

### Which has better reviews, Molecule or iORA?

iORA is rated higher. Molecule averages 4.0 out of 5 from 10 ratings, while iORA averages 5.0 from 12 ratings.

### Do Molecule or iORA have ads?

Neither Molecule nor iORA shows ads.

### Which is updated more often, Molecule or iORA?

Molecule ships an update every 4 months, and iORA every 2 months. Most recently, Molecule was updated on October 15, 2026 and iORA on October 9, 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.*