Flight booking flow
Assume the backend already exists and design a flight booking iOS app. The flow runs search results → flight selection → seat and passenger entry → payment → confirmation. Focus on how you manage state across those screens.
iOS system designShort answerAdvanced
In an iOS chat app where the network drops often, messages the user sends must not be los…
#idempotency #offline
iOS system designShort answerAdvanced
Design an infinite-scroll feed screen like Twitter's from the iOS client's point of view.…
#offline
iOS system designShort answerExpert
Design the iOS client for a 1:1 chat like WhatsApp. Focus on message ordering, duplicates…
#idempotency
iOS system designShort answerAdvanced
Sketch a single "save bookmark" feature as a Swift code skeleton. Instead of a whiteboard…
#offline