OPI Systems partnered with Solvative to replace a manual, climb-required grain bin monitoring process with a cross-platform mobile app. The app connects via Bluetooth to OPI's sensor device, syncs data to the cloud, and works offline, making grain monitoring faster, safer, and more reliable for farmers worldwide.
When OPI Systems set out to modernize how farmers monitor their grain, they needed more than just an app; they needed a connected solution. Solvative delivered a cross-platform mobile experience that bridges hardware, firmware, and the cloud, giving farmers real-time insights without ever leaving the ground.
OPI Systems is a global leader in grain management technology, trusted by farmers, grain handlers, and commercial storage facilities across more than 75 countries. They specialize in innovative monitoring solutions that help maintain grain quality, prevent spoilage, and maximize storage efficiency. Their products are known for delivering accurate, real-time data to safeguard millions of tons of grain every year.
The Challenge
OPI partnered with Solvative to modernize their grain monitoring workflow. On commercial farms, grain bins are massive structures often standing 60 to 120 feet tall and holding anywhere from 50,000 to over 1 million bushels of grain. Monitoring conditions inside these towering bins was traditionally done using a legacy handheld reader, which required operators to physically climb the bins and manually connect to sensors to collect data, an approach that was both time-consuming and physically demanding.
The stakes are high: the USDA estimates that 5-10% of stored grain is lost to spoilage annually, amounting to billions of dollars in global losses each year. Temperature fluctuations, moisture buildup, and restricted airflow inside bins can trigger mold growth or insect infestation issues that can spread rapidly if not detected in time.
Recognizing this, OPI aimed to transform the workflow for their customers by moving from a manual data collection system to a real-time digital experience. Solvative was brought in to develop a mobile application that connects seamlessly with the OPI Blue Lite device via Bluetooth, enabling operators to access live grain condition data from ground level with ease and efficiency.
The Solution
To bring OPI's vision to life, Solvative engineered a cross-platform mobile application built for both iOS and Android that seamlessly connected to the OPI Blue Lite Bluetooth sensor device. The goal was to provide farmers with instant access to live grain condition data from the safety of the ground, while ensuring all collected data was securely synchronized to OPI's cloud infrastructure.
Mobile Application – Built natively in Swift with UIKit for iOS and Kotlin with Android Studio for Android, adhering to the latest platform best practices for performance and reliability.
Bluetooth Communication – Integrated Bluetooth Low Energy (BLE) protocols to establish reliable, low-power connections with the OPI Blue Lite hardware in the field.
Cloud Connectivity – Designed secure RESTful APIs to transmit sensor data from the mobile app to OPI's existing cloud servers, enabling centralized data storage.
Data Synchronization & Offline Support – Implemented local caching with background sync to ensure that field data could be collected and transmitted even in low-connectivity environments.
Web Dashboard Integration – Data from the mobile app flows into OPI's web-based dashboard, where end users can view historical trends, set alerts, and monitor real-time conditions across all bins.
Seamless Collaboration with OPI's Hardware & Firmware Teams
This project's success hinged on deep collaboration between Solvative's software engineers and OPI's hardware and firmware teams. Our team worked closely with OPI's device engineers to understand the embedded firmware logic, command structures, and data output formats of the OPI Blue Lite device, allowing us to build a communication layer that could interpret and transmit sensor readings accurately and reliably.
By bridging the hardware in the field with the cloud infrastructure, Solvative created an end-to-end data pipeline: from Bluetooth sensor to mobile app, then securely to the cloud, and finally onto a web dashboard. This gave farmers and grain operators a powerful new way to monitor grain conditions in real time without the risks and delays of manual collection.
Throughout the project, Solvative worked closely with OPI's team not just as developers, but as true collaborators. One standout example was solving for offline functionality. Field operators often work in remote areas where internet connectivity can be unreliable. To ensure uninterrupted operations, our team implemented a local database within the app to store all cable information, sensor readings, and grain condition data when offline. Once an internet connection becomes available, even days or weeks later, the app automatically syncs the locally stored data with OPI's cloud servers.
Another challenge involved data conflict resolution between the mobile app and the web dashboard. Users could create "sites" (representing physical grain bin locations) on both platforms. If a site was created offline on the app and a similarly named site was created online on the web during the same period, it could cause naming conflicts during synchronization. Solvative built a smart conflict resolution flow that detects duplicates and prompts users to decide which version to keep, ensuring clean and accurate data across platforms.
The Result
The collaboration between OPI and Solvative resulted in a powerful leap forward in how grain conditions are monitored in the field. What was once a time-consuming, manual process requiring operators to scale massive bins became a fast, safe, and data-driven experience right from the ground.
Increased Efficiency — Field operators can now collect temperature and moisture readings from the OPI Blue Lite device within minutes, eliminating the need to physically climb bins and manually connect to each sensor.
Improved Data Reliability — Automatic syncing between the mobile app, OPI's cloud servers, and the web dashboard ensures consistent and accurate data across all platforms — even when data is captured offline and uploaded later.
Safer Operations — Removing the need to scale bins significantly reduces on-site safety risks for operators.
Enhanced User Experience — Farmers and grain managers gained a modern, intuitive mobile tool with conflict resolution alerts, local data caching, and seamless Bluetooth connectivity — all designed around their real-world workflows.
Scalable Foundation — The modular architecture supports future feature expansions, enabling OPI to continue innovating rapidly without disrupting existing operations.
Eliminated the need for operators to physically climb grain bins up to 120 feet tall, replacing a high-risk manual process with instant, ground-level access to live sensor data via Bluetooth.
Built local caching and intelligent conflict resolution so that every reading captured in the field online or off syncs accurately to OPI's cloud and web dashboard without gaps or duplicates.
Solvative's collaboration with OPI Systems resulted in a platform that redefined the grain monitoring workflow for their customers, empowering them to protect their grain more effectively and make data-backed decisions in real time. This transformation didn't just digitize a manual process; it gave farmers and grain operators around the world a safer, smarter, and more connected way to work.
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