# Vlahi CERES vs Dräger GDC

The clearest difference is iOS requirement: Dräger GDC at 14.0 against Vlahi CERES'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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vlahi CERES | Dräger GDC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/vlahi-ceres/id1450298580/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Freemium | — |
| Size | 70 MB | 15 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Vlahi Systems LLC](https://appshunter.io/developer/647026840) | [Draegerwerk AG & Co. KGaA](https://appshunter.io/developer/646307986) |

## What reviewers say

### Vlahi CERES

[App page](https://appshunter.io/ios/app/vlahi-ceres/id1450298580)

This platform aids in chemical emergency planning and response by integrating plume dispersion models with real-time meteorological and sensor data. It offers free access to hazard modeling tools and optional subscription modules for enhanced capabilities like live weather, sensor-driven identification, and advanced reporting.

**Highlights:** Plume dispersion modeling, Real-time meteorological data, Gas sensor integration, Google Maps integration, Incident planning and response, Subscription modules for enhanced features

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

**In-app purchases:** none


### Dräger GDC

[App page](https://appshunter.io/ios/app/drager-gdc/id1562815613)

**In-app purchases:** none


## Frequently asked questions

### Is Vlahi CERES free?

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

### Is Dräger GDC free?

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

### Do Vlahi CERES or Dräger GDC have ads?

Neither Vlahi CERES nor Dräger GDC shows ads.

### Which is updated more often, Vlahi CERES or Dräger GDC?

Vlahi CERES ships an update monthly, and Dräger GDC monthly. Most recently, Vlahi CERES was updated on November 6, 2026 and Dräger GDC 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.*