Comparison

Vlahi CERES vs Dräger GDC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Vlahi CERES

This platform aids in chemical emergency incident 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 and sensor data integration
  • Google Maps integration with street view and traffic
  • Free ALOHA® model access
  • Subscription modules for enhanced capabilities
  • Location tracking for personal devices
  • Advanced reporting and collaboration tools
Features
Read full description

CERES (Chemical Emergency Response E-Service) is our incident planning and response platform that brings together plume dispersion models with google maps and real-time meteorological and gas sensors data. It is designed with love by our team at Vlahi Systems LLC. Our software can be used anywhere, anyplace, on any device, phone, tablet or PC. You get free access to ALOHA® model which is the hazard modeling program for the CAMEO® software suite, widely used to plan for and respond to chemical emergencies. What to expect? A modern no-cost chemical event modelling application, integrated with google maps, location search services, street view, traffic, real time current location, distance measurement, impacted places, contours and zones. Subscription modules which enable enhanced capabilities: Internet live weather Sensor Driven Plume and Release Location Identification CERES integrates gas sensors and local meteorological data to plot an accurate gas plume based on the real-world conditions Location Tracking for Personal Devices (phones, tablets, G7s and others) Chemical Mixtures Google Places Local live meteorological station integrated through our Data Acquisition Application Advanced reporting including map images, impacted contours, zones and impacted places Infiltration analysis for multiple impacted places Model additional chemicals (Gasoline, LPG, Diesel, Formaldehyde, Sarin(GB) ...), and prioritize "My Chemicals" Share incident data by incident link Quick access to 5 minute footprint intervals Predefined scenarios Sharing and Collaboration KML import / export Planning, sharing and collaboration Import your high resolution aerial imagery Meteorological and Sensors Hardware: Tempest WeatherFlow, Honeywell Area RAE, AirMar NMEA 200,WeatherPack, ALOHA SAM, MODBUS RTU/TCP ERG Guide Integration Enterprise support - multiple sites and multiple users per site managed under the same account New ! - Monitoring Package Explosive materials (TNT blast equivalence for the most common explosive substances) IBM Weather enhanced current conditions (4km x 4km resolution weather data for any point in the world) Live Facility Monitoring (meteorological conditions and mobile and fixed sensors) Visual and Audible Alarms (met and sensors) Quick Response for immediate identification of receptors downwind from the event (using live downwind cone) Upwind cone to help identify likely / possible emission sources to assist with odor complaint investigation, regulatory compliance and claims management Optimizing Mobile Gas Sensors Deployment Time interval reporting and meteorological wind rose Historical data archiving, analysis and reports Wide Area Package Remove the 50 miles diameter limitation Model your predefined scenarios in transit anywhere Continuous development and support We wish you a pleasant experience and welcome your feedback and questions at ceres@vlahi.com.

About

Dräger GDC

Read full description

Gas Detection Connect is the software solution that turns individual products into a smart system. Together with our gas detection devices, we increase the efficiency of our customers' work processes and occupational safety.

Screenshots

Vlahi CERES4 screens
Dräger GDC3 screens

Verdict

The call

The clearest difference is in-app purchases: Dräger GDC at none against Vlahi CERES's 5. Vlahi CERES's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Vlahi CERES sells 5 in-app purchases, starting at $6.99 per month. Dräger GDC asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on July 29, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 8 level
Vlahi CERES versus Dräger GDC: the parameters behind the verdict, then further details
ParameterVlahi CERESDräger GDC
PriceFreeFree
Rating4.6 (7 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings7 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size38 MB14 MB
Age rating4+4+
DeveloperVlahi Systems LLCDraegerwerk AG & Co. KGaA

In-app purchases

5 purchases

Vlahi CERES

Subscriptions5
  • Monthly Subscription$6.991 Month
  • Yearly Subscription$59.991 Year
  • CERES Vulnerability and Risk$79.991 Month
Show 2 more
  • HAZMAT Responder$124.991 Month
  • CERES - HAZMAT Team$164.991 Month
None

Dräger GDC

No in-app purchases

Questions

Is Vlahi CERES free?
Vlahi CERES is free to download, with in-app purchases available.
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 July 29, 2026 and Dräger GDC on September 13, 2026.

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