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Sistemium

Client project

Aquafilter

Customer app for a Lithuanian water-treatment company: scan the QR code on an installed filter or softener to watch water use, pressure, salt level and leaks in real time, get alerts, book a technician and manage service plans — on the web, iOS and Android.

Years
2023 – present
Platforms
Web · iOS · Android
Open
Aquafilter app start screen on a phone

Task

A water-treatment company installs filters, softeners and sensors in homes and businesses. Owners could not tell when the salt was running low, when a leak had started or when service was due. The app shows owners how their devices are doing and warns them when something needs attention.

Solution

  • Add a device by scanning the QR code on the installed unit
  • Live data over MQTT: water use, pressure, valve stage, salt level, leaks, temperature and humidity
  • Remote control of valves and smart plugs
  • Alerts and push notifications
  • Technician visit requests and service plans paid by card
  • Sign-in with a one-time SMS or e-mail code; five interface languages

Facts

Platforms
Web · iOS · Android
Languages
5
In the stores since
2023

Technology

The app is Vue 3 with Vite and Vuetify; it talks to devices over MQTT and to a Koa and TypeScript API on MongoDB and Redis. Stripe handles the service plans, and a Flutter shell ships the app to the App Store and Google Play.

  • Vue 3
  • MQTT/IoT
  • Flutter
  • Stripe

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