Free Course — No signup required

Learn iOS Development
in 5 Days

Swift is readable and fast. Build real SwiftUI views. Persist data. Submit to the App Store.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

Swift in 5 Days

Free 5-day Swift course. Swift syntax, SwiftUI views, networking, CoreData persistence, and App Store submission.

  • Write Swift with optionals, closures, and protocols confidently
  • Build SwiftUI views with state management and navigation
  • Fetch and display JSON data from a REST API
  • Persist data locally using CoreData or SwiftData
  • Handle common iOS patterns: MVVM, dependency injection
  • Prepare an app for App Store submission
SwiftUI
declarative
CoreData
persistence
5
lessons
$0
cost
5-Day Curriculum

Every lesson has a real exercise.
No theory without practice.

01
Swift Syntax & Optionals
Variables, optionals, closures, protocols, enums with associated values
optionalsclosuresprotocols
→
02
SwiftUI Views & State
View hierarchy, @State, @Binding, NavigationStack, lists
@State@BindingNavigationStack
→
03
Networking in iOS
URLSession, async/await, Codable, error handling, loading states
URLSessionCodableasync/await
→
04
Data Persistence
CoreData entities, fetching, SwiftData basics, UserDefaults
CoreDataSwiftDatapersistence
→
05
App Architecture & App Store
MVVM, DI, Xcode settings, TestFlight, App Store review
MVVMTestFlightApp Store
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems at scale. This course is practical first — every lesson has code you can run and an exercise you can finish in under an hour.

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