Building Offline-First Flutter Apps for Emerging Markets

Users in tier-2 and tier-3 cities experience intermittent connectivity. Offline-first architecture is not luxury — it is retention.

Cache catalog and cart state locally with explicit sync rules. Show transparent sync status instead of silent failures.

Conflict resolution strategies should be decided before launch: last-write-wins works for carts; operational transforms may be needed for collaborative apps.

Test on real Android devices across price bands. Emulators hide jank, thermal throttling, and storage limits.

Battery impact matters: batch network calls and avoid aggressive background polling.