Offline-first PWA for field teams

An installable app that keeps working with no signal and syncs cleanly the moment connectivity returns.

€2,600–€5,500 guide price9-15

What you get

Installable progressive web app with an offline shell
Local data store with a background sync queue
Conflict resolution strategy for edits made while offline
Camera and file capture that works without a connection
Sync status indicators and manual retry controls

Usually built with

React

Workbox

IndexedDB

Supabase

A guide, not a requirement — sellers propose what suits your situation.

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