there's certainly things to sync in a airline app. Syncing the current schedules of flight is better than saying no flights exist when offline. But when you're

there's certainly things to sync in a airline app. Syncing the current schedules of flight is better than saying no flights exist when offline. But when you're talking a about purchasing whats basically a live interaction with a paid for service, it runs into the verification/authentication aspect which can't be trusted by random customers. So yeah, there's definitely apps that sync is a rare bit of concern to the customer/user experience.