# MoleculeMastery vs Oganesson

The clearest difference is in-app purchases: MoleculeMastery at none against Oganesson's 1. MoleculeMastery also leads on ads (none vs shown). Oganesson's advantage is iOS requirement (15.1 vs 17.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Oganesson sells 1 one-off in-app purchase. MoleculeMastery asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MoleculeMastery | Oganesson |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Daily | Daily |
| Size | 33 MB | 46 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Arsy Rizkia Ruslan](https://appshunter.io/developer/1748434513) | [TATSUYA TAGUCHI](https://appshunter.io/developer/1886335141) |

## What reviewers say

### MoleculeMastery

[App page](https://appshunter.io/ios/app/moleculemastery/id6627338118)

**In-app purchases:** none


### Oganesson

[App page](https://appshunter.io/ios/app/oganesson-element-merge/id6772856787)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is MoleculeMastery free?

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

### Is Oganesson free?

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

### Do MoleculeMastery or Oganesson have ads?

Oganesson shows ads; MoleculeMastery does not.

### Which is updated more often, MoleculeMastery or Oganesson?

MoleculeMastery ships an update daily, and Oganesson daily. Most recently, MoleculeMastery was updated on October 27, 2026 and Oganesson on October 24, 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.*