Learn Swift in 2026 — 90-Day Beginner Plan

Why Swift in 2026?

Swift is the primary language for modern Apple app development. It powers iOS development and is also used to build apps for macOS, watchOS, tvOS, and visionOS.

The Complete 90-Day Plan

Weeks 1-4: Swift Fundamentals

• Variables and constants (let, var)
• Types: Int, String, Double, Bool
• Conditions: if, switch, guard
• Loops: for, while
• Functions
• Optionals — one of Swift's most important concepts
• Arrays, Dictionaries, and Sets

Weeks 5-8: Object-Oriented Programming + Modern Swift

• Structs vs Classes
• Protocols and Extensions
• Generics
• Closures
• Error Handling
• async/await — asynchronous programming
• Actors and Concurrency

Weeks 9-12: SwiftUI + Projects

• SwiftUI View fundamentals
• State management: @State, @Binding, @Observable
• NavigationStack
• Networking with URLSession
• Data persistence with SwiftData
• 3 complete practical projects

Recommended Resources

• SwiftBuilder — 311 interactive lessons with hands-on code execution
• Apple Swift Book (Free)
• Hacking with Swift (Paul Hudson)
• WWDC Sessions

How Can AI Speed Up Your Learning?

Instead of only reading tutorials, use SwiftBuilder's AI Tutor to ask questions instantly, generate customized examples, review your code, and understand errors step by step.