NexSIS

Opening the App: The French Firefighter's Digital Command Tool

You open the app. The first screen shows a calendar in a new contrasting color, a recent update from the developer. No tutorial pops up. The app assumes you are a trained firefighter or emergency service personnel. The interface is clean and functional. It displays real-time operational indications. You can see your availability status, upcoming shifts, and any active alerts. The app does not ask for permissions immediately. It only requests access when you need to use location services or upload photos. This is a practical design choice. It respects the user's time and focus. The app is built for speed and reliability. Firefighters do not have time for complex setup. They need information fast. The app delivers that.

The app is part of a larger ecosystem. It connects to the NexSIS system, a national platform developed by the Agence du Numérique de la Sécurité Civile (ANSC). The system is designed to unify and modernize the information systems of French fire and rescue services. The app provides useful and controlled information facilitating the daily operational commitment of firefighters. It gives users real-time operational indications to reduce unforeseen events linked to departures for intervention. The app also complements the classic emergency service alert channel without replacing it, automating the distribution of operational information and reducing the workload of agents.

Availability Management and Fatigue Monitoring: A Predictive Workforce System

The app's two core features—availability management and fatigue monitoring—work together to create a predictive workforce management system. Here is how it works. Firefighters and command line personnel receive information allowing them to anticipate the availability, fatigue, and time requirements of operational resources. The app answers the question "WHEN?" helping emergency service workers better organize intervention time, on-call and standby time, rest time and free time. The system integrates fatigue levels and associated risks, enabling better shift planning and reducing burnout risk. This is a significant advancement over traditional systems that do not track fatigue in real-time.

This predictive capability is a key strength. It allows commanders to see who is available and how fatigue impacts operational readiness. It enables proactive decision-making. For example, if a firefighter is approaching their fatigue limit, the system can recommend they be given rest. This improves both safety and efficiency. The app's integration with the broader NexSIS 18-112 system—the national alert management and operational command platform—ensures that availability data is shared across the entire emergency response chain. The system has been tested in multiple real-world exercises, with SDIS 31 confirming that NexSIS is capable of animating the entire operational activity of the department.

What the Changelog Reveals

The Play Store changelog for the latest version includes two specific updates: "Affichage du calendrier dans une nouvelle couleur contrastée par rapport à la barre d'onglet" (Calendar display in a new contrasting color compared to the tab bar) and "Masquage automatique des filtres de points d'intérêts selon la présence ou non de points d'intérêt" (Automatic hiding of points of interest filters based on the presence or absence of points of interest). These are practical, user-focused improvements. The calendar color change improves readability. The automatic filter hiding reduces clutter. These updates suggest the developer is listening to user feedback and making incremental improvements.

The app's version history shows moderate activity. The latest version was updated on February 23, 2025. The previous version added administrative positions. The update frequency is not high, but the app is not abandoned. The app is part of a larger national program, NexSIS 18-112, which is being deployed across France over several years. The program aims to replace and unify all existing alert and operational management systems used by each SDIS. The app's stability is more important than frequent updates. Firefighters need reliable tools. The app appears to be stable. The 3.6 rating from 59 reviews on Google Play suggests users are generally satisfied.

The Real-World Deployment: SDIS Adoption and Interoperability

The app is being adopted by SDIS (Service Départemental d'Incendie et de Secours) across France. As of October 2025, 9 SDIS had switched to the NexSIS software. The SDIS 29 demonstrated the system's resilience at the National Firefighter Congress, with simulated crisis calls testing robustness and mutual aid between interconnected SDIS. The SDIS du Lot conducted its 4th real-world test in May 2025, marking a decisive step in modernizing its alert and engagement system. For the first time, emergency calls were routed via NexSIS, with an innovation particularly appreciated by staff: caller location on the digital map before the call is even answered. This feature considerably improves response times.

The app also complements the classic emergency service alert channel without replacing it. It automates the distribution of operational information and reduces the workload of agents responsible for processing calls and operational staff involved in intervention. The system is designed for interoperability between different civil security services—firefighters, SAMU, gendarmerie, police—enabling better emergency call handling and optimized coordination of interventions. The NexSIS platform is a sovereign digital solution, hosted in France, certified by the French Ministry of the Interior. The deployment is ongoing, with SDIS 35 planning a 24-month project with operational go-live at the end of 2027.