Vlahi CERES vs Dräger GDC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Dräger GDC
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on July 29, 2026 and September 13, 2026 respectively.
| Parameter | Vlahi CERES | Dräger GDC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 38 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Vlahi Systems LLC | Draegerwerk AG & Co. KGaA |
In-app purchases
Vlahi CERES
- Monthly Subscription$6.991 Month
- Yearly Subscription$59.991 Year
- CERES Vulnerability and Risk$79.991 Month
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- HAZMAT Responder$124.991 Month
- CERES - HAZMAT Team$164.991 Month
Dräger GDC
No in-app purchases
Questions
Is Vlahi CERES free?
Is Dräger GDC free?
Do Vlahi CERES or Dräger GDC have ads?
Which is updated more often, Vlahi CERES or Dräger GDC?
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