# MedChem Structure Genius vs CycleChem

The clearest difference is in-app purchases: MedChem Structure Genius at none against CycleChem's 1. MedChem Structure Genius also leads on update cadence (every 5 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CycleChem sells 1 one-off in-app purchase. MedChem Structure Genius asks for nothing beyond the download.

MedChem Structure Genius ships an update every 5 days, CycleChem every 6 months. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | MedChem Structure Genius | CycleChem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/medchem-structure-genius/id1218376517/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 months |
| Monetization | Free | — |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Universite Lille](https://appshunter.io/developer/1218376516) | [Eric ORDONNEAU](https://appshunter.io/developer/1465804393) |

## What reviewers say

### MedChem Structure Genius

[App page](https://appshunter.io/ios/app/medchem-structure-genius/id1218376517)

Learn and test your knowledge of drug chemical structures and their mechanisms of action. This interactive application features a continuously growing database of small molecules and peptides, categorized by pharmacological class.

**Highlights:** Learn drug chemical structures, Understand mode of action, Test knowledge with dynamic quizzes, Browse and search pharmacological classes, Database of natural products and pharmaceuticals, Small molecules and peptides included

**Features:** macOS Compatibility

**In-app purchases:** none


### CycleChem

[App page](https://appshunter.io/ios/app/cyclechem/id1465804394)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all games | $0.99 | one-time |


## Frequently asked questions

### Is MedChem Structure Genius free?

MedChem Structure Genius is free to download, with no in-app purchases.

### Is CycleChem free?

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

### Do MedChem Structure Genius or CycleChem have ads?

Neither MedChem Structure Genius nor CycleChem shows ads.

### Which is updated more often, MedChem Structure Genius or CycleChem?

MedChem Structure Genius ships an update every 5 days, and CycleChem every 6 months. Most recently, MedChem Structure Genius was updated on November 2, 2026 and CycleChem on November 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*