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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 in native iOS: camera, location, auth, payments, notifications, files, plus Info.plist permissions.

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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 JavaScript developers: no event loop, async let and TaskGroup instead of Promise.all, actors, @MainActor, Sendable and Swift 6 data races.

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Illustration of a data layer: the network and a local store feed a single stream that reaches the view, with the cache as the primary source
Mobile6 Sep 202616 min read

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

Swift has no TanStack Query. How to build an iOS data layer: URLSession and Codable, an AsyncStream repository, SwiftData or GRDB as cache, invalidation.

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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 for TypeScript developers: value vs reference semantics, optionals in the type system, enums with associated data, protocol extensions, Codable over zod.

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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 Swift adds to your toolkit.

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