Vlahi CERES vs Nucleus MDIS
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
- ALOHA® model access
- Subscription modules for enhanced capabilities
- Incident data sharing and collaboration
- KML import/export
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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.
Nucleus MDIS
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Nucleus MDIS by Southern Software gives authorized law enforcement, fire, and EMS personnel access to agency information and field workflows from an iPhone or iPad. Stay informed in the field • View active calls for service and incident details. • Review unit information and update your assigned unit’s status. • Use maps to view calls and available unit locations. • Search supported agency records and review authorized results. • Access agency-enabled alerts, BOLOs, security checks, and pre-plan information. Built for agency workflows Available features and information depend on your agency’s configuration, licensing, and your assigned permissions. An authorized account with a participating agency is required; this app does not provide public access to law enforcement records. Location features require permission. When enabled and configured by your agency, background location supports unit-location updates while the app is not in the foreground.
Screenshots
Verdict
The clearest difference is update cadence: Nucleus MDIS at every 2 weeks against Vlahi CERES's monthly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Vlahi CERES ships an update monthly, Nucleus MDIS every 2 weeks. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.
| Parameter | Vlahi CERES | Nucleus MDIS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (8 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 74 MB |
| Age rating | 12+ | 4+ |
| Developer | Vlahi Systems LLC | Southern Software, Inc. |
In-app purchases
Vlahi CERES
No in-app purchases
Nucleus MDIS
No in-app purchases
Questions
Is Vlahi CERES free?
Is Nucleus MDIS free?
Do Vlahi CERES or Nucleus MDIS have ads?
Which is updated more often, Vlahi CERES or Nucleus MDIS?
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