Key metrics
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99%+Achieved minute-scale detection of air quality anomalies with over 99% accuracy
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~1 km²Each IoT sensor covers ~1 km², ensuring broad coverage with no blind spots even in areas without network infrastructure
About the Client
ForrestApp is an early-stage climate technology startup specializing in air quality and emissions monitoring. Their flagship product (the ForrestApp system) helps enterprises like utilities, mines, landfills, and oil & gas operations monitor greenhouse gas emissions and air pollutants in real time.
The client’s goal was to leverage AI-powered “digital nose” sensors and IoT connectivity to pinpoint emission sources with unmatched accuracy. By deploying networks of smart sensors in the field, ForrestApp aims to provide instant, actionable insights that help prevent environmental incidents and improve safety compliance.
This project was a ground-up development – our team partnered with the startup to build the entire solution from scratch, turning an innovative concept into a working product.
The Challenge
Monitoring air quality over vast and remote areas is extremely challenging with traditional methods. The client faced the need to detect gas leaks, pollution, or wildfire smoke quickly and precisely across locations like forests and industrial sites.
Existing solutions (fixed stations or manual inspections) were either too slow, lacked coverage, or provided insufficient data analysis. They wanted a system that could identify anomalies in real time and localize the emission source to within a small area, enabling rapid response before minor issues became major disasters.
ForrestApp needed to deploy sensors in remote regions (e.g. large ranches, vineyards, mountain forests) often without reliable internet or power. This meant the solution must work in offline conditions and still gather data continuously.
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Connectivity Gaps
Many target sites have limited cellular coverage. The system had to transmit data via alternative means (e.g. satellite communication) to ensure no data loss. Likewise, field personnel required offline access to maps and sensor data when working on-site.
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Real-Time Alerts
Detecting an emission event (such as a methane leak or fire) even a few hours late could lead to regulatory fines or safety hazards. The client required instant alerts and up-to-the-minute status updates from every device.
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Scalability & Coverage
To cover large geographic areas, multiple sensors would be deployed (each sensor can monitor ~1 square kilometer). The platform needed to manage dozens or hundreds of devices seamlessly and aggregate their data into one dashboard.
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Accuracy & Reliability
False alarms or missed detections had to be minimized. The solution’s analytics had to be robust and AI-driven to ensure high precision in identifying true emission events, as the client promised >99% detection accuracy to their end-users. Additionally, devices needed to be low-maintenance (battery-powered with long life) and the software architecture had to be fault-tolerant given the critical nature of the data.
The Solution
Our development team engineered a full-stack IoT platform that met ForrestApp’s challenges by combining a cross-platform app, IoT connectivity, and cloud infrastructure.
We chose Flutter for the client application to deliver a uniform experience on Android, iOS, and web from a single codebase. On the backend, we integrated the ResIOT IoT platform and AWS cloud services to handle device communication, data processing, and scaling.
The solution was designed with an offline-first mindset and real-time capabilities from day one.
Flutter · ResIOT IoT Platform · AWS (Cloud & IoT Services) · Satellite & LoRaWAN communication · Map APIs (with offline tiles) · MQTT/WebSockets for live updates
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Implementation detailsPhase 1. Initial assessment & Design
In this phase, we worked closely with the client to gather requirements and understand the environmental monitoring workflow. We defined the system architecture, choosing Flutter for the app and identifying ResIOT as a suitable IoT platform for device management and communication. The team planned for key features like offline operation, real-time alerts, and integration with the client’s AI anomaly detection model. We created wireframes for the user interface (dashboard and mobile screens) and designed the database schema on AWS to store sensor data and event logs.
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Implementation detailsPhase 2. Development & Integration
Our engineers developed the Flutter application and the cloud backend in tandem. On the frontend, we implemented an intuitive UI with dashboards, maps, and device controls, ensuring a smooth UX on both mobile and desktop. We integrated map functionality with offline caching so users could download maps of their sites. Meanwhile, the IoT integration team configured the ResIOT platform to register ForrestApp sensors and set up data connectors. We wrote backend services on AWS (using AWS Lambda and API Gateway) to interface with ResIOT’s MQTT data stream, processing incoming sensor data in real time. During this phase, we also embedded the client’s AI logic: sensor data would be fed into an anomaly detection algorithm (either at edge devices or in the cloud) to decide if an emission event is occurring. The development was iterative, with weekly demos to the client, allowing us to incorporate feedback on features like alert thresholds and reporting analytics.
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Implementation detailsPhase 3. Testing, Deployment & Launch
We conducted extensive testing of the complete system. This included simulation of sensor data to test real-time alerting, offline scenario tests (running the app with no internet to ensure data persistence), and field tests with actual hardware devices. We fine-tuned the satellite communication workflows to handle intermittent connectivity gracefully (e.g., buffering sensor readings if a satellite pass was delayed). Once validated, we deployed the cloud components to the client’s AWS environment and published the Flutter app to the App Store/Play Store for controlled release. The ForrestApp platform was officially launched for pilot customers, and our team stood by for post-launch support. The launch was successful – in its first deployment, ForrestApp was able to detect a test gas release in under 2 minutes, alerting operators and confirming the system’s effectiveness.
Results and Impact
Tech Stack
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Backend
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IoT ingestion and messaging via ResIOT and AWS IoT (MQTT, WebSockets)
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Serverless data processing and alert pipelines for real time alerts
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Analytics layer integrating the client’s anomaly detection models
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API layer for apps and dashboards (data queries, control commands)
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Frontend
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Flutter single codebase for iOS, Android, and Web
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Offline first data cache and background sync for field use
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Interactive maps with offline tiles based on OpenStreetMap
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Live dashboards with device status, charts, and map overlays
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Infrastructure
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AWS cloud for scalable compute, data storage, and monitoring
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ResIOT device registry and LoRaWAN network integration
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Satellite uplink and LoRaWAN backhaul for remote deployments
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Automated build and rollout for mobile and web releases
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Security
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End to end TLS for MQTT, WebSockets, and APIs
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Role based access control for users and devices
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Encryption at rest and in transit with audit logging and least privilege
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Secure OTA updates and signed configuration distribution
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Environmental monitoring was reactive and fragmented. The client’s customers relied on a patchwork of local sensors, periodic manual inspections, and after-the-fact reporting. Coverage was limited, and detecting an emission source could take hours or even days.
ForrestApp provides a proactive, unified monitoring system. Automated IoT sensors continuously sniff out issues, and the moment an anomaly arises, an alert with the exact location is sent out. What once was a slow, manual process is now an instantaneous, data-driven operation. For instance, a landfill operator using ForrestApp can locate a gas leak immediately on the digital map, instead of searching acres of land – drastically reducing response time and improving safety.
Key Takeaways
This project demonstrated how combining Internet of Things devices with artificial intelligence can dramatically improve the speed and accuracy of environmental data collection. Early detection of issues (leaks, pollution spikes, fires) is now feasible on a large scale, helping industries mitigate risks and comply with environmental regulations.
Building the platform with an offline-first mindset was crucial. By accounting for connectivity challenges (through satellite communication and local data caching), the solution remains reliable even in remote off-grid locations. This approach ensures continuous operation and is a model for any IoT deployment in rural or infrastructure-poor settings.
Choosing Flutter proved advantageous for development speed and consistency. We delivered a feature-rich app on multiple platforms without maintaining separate codebases. The consistent UI/UX across web and mobile made training and adoption easier for the client’s users.
The architecture is inherently scalable and positioned for the future. As ForrestApp adds more sensors or expands to new regions, the AWS cloud backend and ResIOT platform can handle the growth with minimal changes. The system can manage thousands of devices and massive data streams, thanks to the scalable cloud services and the high-availability design. Furthermore, the solution requires only minimal maintenance (sensors have long battery life and the software updates are deployed over-the-air), making it sustainable for the client to operate long-term.
Close collaboration with the startup’s team was key to this project’s success. By involving the client in iterative testing and incorporating feedback (for example, tuning alert thresholds and dashboard features), we ensured the final product aligned perfectly with their vision and end-user needs. This case underlines the importance of agile development and client engagement, especially for startups building novel technology.
Need a similar solution?
If you’re looking to leverage IoT and real-time software to transform your business, contact us today. We can help design and build a solution tailored to your needs – from smart sensor networks to intuitive apps – and drive your digital transformation. Discover how we can turn your innovative idea into a successful product, just like we did for ForrestApp!
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