# LogiCO2 vs Drug Structures

The clearest difference is update cadence: LogiCO2 at every 5 months against Drug Structures's every 14 months. On price, ads, in-app purchases and device support there is nothing between them.

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

LogiCO2 ships an update every 5 months, Drug Structures every 14 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | LogiCO2 | Drug Structures |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/drug-structures/id1207401347/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | — | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Logico2 International AB](https://appshunter.io/developer/1208875120) | [David Bourne](https://appshunter.io/developer/1031086386) |

## What reviewers say

### LogiCO2

[App page](https://appshunter.io/ios/app/logico2-scout/id1078443336)

**In-app purchases:** none


### Drug Structures

[App page](https://appshunter.io/ios/app/drug-structures/id1207401347)

This game helps pharmacy and healthcare students practice identifying drug structures. It offers a focused learning experience for medical professionals in training.

**Highlights:** Identify drug structures, Practice for healthcare students, Targeted medical education, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LogiCO2 free?

LogiCO2 is free to download, with no in-app purchases.

### Is Drug Structures free?

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

### Do LogiCO2 or Drug Structures have ads?

Neither LogiCO2 nor Drug Structures shows ads.

### Which is updated more often, LogiCO2 or Drug Structures?

LogiCO2 ships an update every 5 months, and Drug Structures every 14 months. Most recently, LogiCO2 was updated on October 12, 2026 and Drug Structures on October 20, 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.*