# Drug Structures vs Captisol AR

The clearest difference is update cadence: Captisol AR at every 2 months against Drug Structures's every 14 months. Captisol AR also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

Drug Structures ships an update every 14 months, Captisol AR every 2 months. The most recent releases landed on September 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Drug Structures | Captisol AR |
| --- | --- | --- |
| 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 14 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 247 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [David Bourne](https://appshunter.io/developer/1031086386) | [MD. USE INNOVATIONS SL](https://appshunter.io/developer/1292343455) |

## What reviewers say

### 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


### Captisol AR

[App page](https://appshunter.io/ios/app/captisol-ar/id1292343456)

**In-app purchases:** none


## Frequently asked questions

### Is Drug Structures free?

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

### Is Captisol AR free?

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

### Do Drug Structures or Captisol AR have ads?

Neither Drug Structures nor Captisol AR shows ads.

### Which is updated more often, Drug Structures or Captisol AR?

Drug Structures ships an update every 14 months, and Captisol AR every 2 months. Most recently, Drug Structures was updated on September 16, 2026 and Captisol AR on September 30, 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.*