# FK vs Omaha System Reference II

The clearest difference is update cadence: Omaha System Reference II at weekly against FK's every 2 months. FK's advantage is iOS requirement (12.0 vs 15.0). 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.

FK ships an update every 2 months, Omaha System Reference II weekly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FK | Omaha System Reference II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (26 ratings)](https://appshunter.io/ios/app/fk/id472432046/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 104 MB | 18 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zorginstituut Nederland](https://appshunter.io/developer/472432129) | [Ecare Innovatie B.V.](https://appshunter.io/developer/1267905240) |

## What reviewers say

### FK

[App page](https://appshunter.io/ios/app/fk/id472432046)

Access comprehensive drug information, including drug texts, indication texts with step-by-step guides, and general medical texts. This app offers offline access to its content, making it a valuable tool for healthcare professionals. It is updated bi-monthly to ensure the latest information is available.

**Highlights:** Offline drug information, Indication texts with step-by-step guides, Group and general medical texts, Advanced search functionality, Bi-monthly updates, Cross-referencing between documents

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

**In-app purchases:** none


### Omaha System Reference II

[App page](https://appshunter.io/ios/app/omaha-system-reference-ii/id1450603395)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FK free?

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

### Is Omaha System Reference II free?

Omaha System Reference II is free to download, with no in-app purchases.

### Do FK or Omaha System Reference II have ads?

Neither FK nor Omaha System Reference II shows ads.

### Which is updated more often, FK or Omaha System Reference II?

FK ships an update every 2 months, and Omaha System Reference II weekly. Most recently, FK was updated on September 28, 2026 and Omaha System Reference II on October 1, 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.*