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Swift

Every article on Swift published on this blog, newest first: 5 in total, written by Ramón Chancay.

5 articles on Swift

Illustration of a row of small modules on the left connected one to one with system blocks on the right, with one block marked as the main one

Mobile9 Sep 202617 min read

From the expo-* ecosystem to Apple frameworks: the equivalence table by domain

Which Apple framework replaces each expo-* package when you move from React Native to native iOS: camera, location, authentication, payments, notifications, files and more, with the Info.plist permissions and the silent crash everyone hits once.

Illustration of several tasks running in parallel inside one frame and converging on a single exit point, with an isolated actor to one side

Mobile7 Sep 202616 min read

Swift concurrency: goodbye event loop. async let, TaskGroup, actors and Swift 6

Swift Concurrency for people coming from JavaScript: why there is no event loop, how async let and TaskGroup replace Promise.all, what actors and @MainActor are, what Sendable requires and why in Swift 6 a data race is a compile error.

Mobile6 Sep 202616 min read

Data in Swift: what TanStack Query did for you and how to build your cache layer

There is no TanStack Query in Swift. How to design the data layer of an iOS app with URLSession and Codable, a repository that emits with AsyncStream, SwiftData or GRDB as the local cache, invalidation and supabase-swift.

Illustration of two type systems: a shape that gets copied as it passes from hand to hand and another that is shared by reference, with a container that may be empty

Mobile2 Sep 202617 min read

Swift for people who already master TypeScript: the five differences that change how you design

Swift explained for TypeScript developers: value vs reference semantics, optionals as part of the type system, enums with associated data, protocols with extensions, and Codable instead of zod.

Illustration of two paths leaving the same point: one covers two platforms with a single layer and the other reaches the system's capabilities directly

Mobile1 Sep 202617 min read

Why a senior React Native developer should learn native in 2026

When native iOS beats React Native (widgets, day-one APIs, on-device ML), when it loses (two platforms, OTA, team) and why learning Swift adds to your toolkit instead of replacing it.