# Dräger vs Compass Kstrong SA

The clearest difference is iOS requirement: Dräger at 13.0 against Compass Kstrong SA's 16.0. On price, update cadence, 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.

Dräger ships an update every 16 months, Compass Kstrong SA every 11 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dräger | Compass Kstrong SA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/drager-tubes/id1200375907/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 11 months** |
| Monetization | Free | — |
| Size | 194 MB | 147 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Draegerwerk AG & Co. KGaA](https://appshunter.io/developer/646307986) | [Arresto Solutions Private Limited](https://appshunter.io/developer/1444831394) |

## What reviewers say

### Dräger

[App page](https://appshunter.io/ios/app/drager-tubes/id1200375907)

Easily document tube measurements with this mobile app. Scan barcodes, record data, and archive results for clear interpretation and comprehensive documentation. Share protocols as PDF files for remote analysis and recommendations.

**Highlights:** Scan barcodes for tube identification, Record, archive, and evaluate measurement results, Supplement protocols with photos and location data, Personalized user profiles with company logo, Graphical display of measurement data, Export data as PDF files, Summarize protocols into reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Compass Kstrong SA

[App page](https://appshunter.io/ios/app/compass-kstrong-sa/id6480278390)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dräger free?

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

### Is Compass Kstrong SA free?

Compass Kstrong SA is free to download, with no in-app purchases.

### Do Dräger or Compass Kstrong SA have ads?

Neither Dräger nor Compass Kstrong SA shows ads.

### Which is updated more often, Dräger or Compass Kstrong SA?

Dräger ships an update every 16 months, and Compass Kstrong SA every 11 months. Most recently, Dräger was updated on November 1, 2026 and Compass Kstrong SA on October 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.*