Comparison

Incident Action Plan vs Vlahi CERES

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

Head to head
About

Incident Action Plan

This incident management tool helps organize personnel, equipment, finances, and logistics for emergency responses. It provides NIMS-compliant forms and allows for real-time data updates, geotagged image uploads, and personnel tracking.

Highlights
  • Create incidents
  • Access PDF forms
  • Upload geotagged images
  • Barcode scanner for personnel/equipment
  • Operational feedback
  • Update event logs
  • Locate and contact personnel
Read full description

Note: This application may only be used by existing Incident Action Plan users. Incident Action Plan (IAP) is a fully NIMS-compliant software package that has been developed over the years to become an all-encompassing tool for incident management. By using the Incident Command System (ICS) process, IAP Software™ manages and conveniently organizes the entirety of an incident response from the necessary resources (personnel & equipment) to the finances and logistics. IAP is a user-friendly system of forms that ensures command officials have valid, up-to-the-minute data through the duration of an incident. For drills and actual incidents, there is no better management software than IAP. Mobile application features include: * Create an incident * Access all forms in PDF format * Upload geotagged images * Check personnel and equipment in and out with a barcode scanner * Provide Operational feedback for assignment changes & resource requirements * Update Individual, Unit, Incident event logs * Quickly locate and contact personnel

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.

Screenshots

Incident Action Plan4 screens
Vlahi CERES4 screens

Verdict

The call

The clearest difference is rating: Vlahi CERES at 4.6 against Incident Action Plan's 4.1. Vlahi CERES also leads on update cadence (monthly vs every 2 months). Incident Action Plan's advantage is in-app purchases (none vs 5). On price, review sentiment, ratings volume and ads 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. Incident Action Plan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vlahi CERES holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews complicate that: 80% of Incident Action Plan's written reviews are positive against 75% of Vlahi CERES's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Incident Action Plan ships an update every 2 months, Vlahi CERES monthly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Incident Action Plan versus Vlahi CERES: the parameters behind the verdict, then further details
ParameterIncident Action PlanVlahi CERES
PriceFreeFree
Rating4.1 (8 ratings)4.6 (8 ratings) — better
Positive reviews80.0% of reviews — better75.0% of reviews
Number of ratings88
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size7 MB38 MB
Age rating4+4+
DeveloperThe Response Group, Inc.Vlahi Systems LLC

Customer experience

Incident Action Plan

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Vlahi CERES

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Incident Action Plan

No 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

Questions

Is Incident Action Plan free?
Incident Action Plan is free to download, with no in-app purchases.
Is Vlahi CERES free?
Vlahi CERES is free to download, with in-app purchases available.
Which has better reviews, Incident Action Plan or Vlahi CERES?
Vlahi CERES is rated higher. Incident Action Plan averages 4.1 out of 5 from 8 ratings, while Vlahi CERES averages 4.6 from 8 ratings.
Do Incident Action Plan or Vlahi CERES have ads?
Neither Incident Action Plan nor Vlahi CERES shows ads.
Which is updated more often, Incident Action Plan or Vlahi CERES?
Incident Action Plan ships an update every 2 months, and Vlahi CERES monthly. Most recently, Incident Action Plan was updated on October 24, 2026 and Vlahi CERES on October 24, 2026.

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