Smart Home App for Caravans & Campers

Client: Revotion GmbH

A mobile app for Revotion GmbH that puts complete control of a modular smart home hardware system in the hands of caravan and camper owners — whether parked within Bluetooth range or remote via MQTT.

The challenge

Caravans and campers contain increasingly complex hardware systems — battery banks, water tanks, lighting, heating, security — each with its own interface or no interface at all. Revotion GmbH had built a modular hardware platform (a central Brain unit with plug-in Nodes) but needed a mobile app that could control any combination of hardware modules, work both on-site and remotely, and remain extensible as new node types are added.

Our approach

Built a Flutter app for iOS and Android with a widget-based dashboard where each hardware node type has its own UI component: Switch nodes render toggle controls for lights and outlets, Level nodes show tank fill indicators (fresh water, grey water, gas), Temp nodes display temperature readings, Battery nodes show charge levels and thresholds, Board instruments display gauges. Local connectivity uses BLE to the Brain unit for low-latency on-site control; remote access is handled via MQTT backend for off-site monitoring and control. Third-party integrations include supported fridge units, Thitronik security systems, and Truma heating. Notification system handles critical alerts including low battery warnings, GPS signal loss, and threshold breaches.

Tech stack

Results

500+ downloads on both iOS App Store and Google Play. The app handles real-time hardware control for caravans across the DACH region. The modular widget architecture allows new hardware node types to be integrated without redesigning the app.