Offline-First Mobile

A guide to building mobile apps that work reliably without internet, syncing seamlessly when connectivity returns.

Usage

Ask about offline-first architecture, local databases, sync strategies, or conflict resolution.

Examples

• "Set up WatermelonDB for offline-first React Native"
• "How do I handle sync conflicts between local and server data?"
• "Design a queue-based sync system for offline mutations"

Guidelines

• Store all user data locally first, sync to server as secondary
• Use optimistic UI updates for responsive user experience
• Implement queue-based sync for offline mutations
• Handle conflicts with last-write-wins or user resolution
• Show clear network status indicators to users