iOS Concurrency with GCD & Operations

Learn how to add concurrency to your apps! Keep your app’s UI responsive to give your users a great user experience, and learn how to avoid common concurrency problems, like race condition, priority inversion and deadlock.

iOS App Distribution

This course will walk you step by step through the process of registering for a new developer account and registering your app with App Store Connect. In addition, you’ll learn about internal distribution of your app, testing with TestFlight, and submitting your app to the App Store.

Getting Started with Git

An introduction to Git! Learn the basics of Git so you can use it in your daily workflow.

Professional Development Seminars 2023

You’ve built your development skills through our high-quality, up-to-date books and videos, and now it’s time to take things to the next level! Our Professional Development Seminars are live, bi-monthly events designed to connect you with top-tier developers and other professionals from our community, who are ready to share their hard-won and battle-tested advice with you, available exclusively to Annual Ultimate Pro Subscribers.

SwiftUI Fundamentals

An introduction to building iOS user interfaces with SwiftUI! Learn about SwiftUI Views and modifiers, common SwiftUI controls, fundamental layout tools, navigation and data flow, and how to make the most of SwiftUI previews.

Your First iOS & SwiftUI App: Polishing the App

This course is the sequel to “Your First iOS & SwiftUI App: An App from Scratch.” In this course, we’ll finish off our “nice-to-haves” on our programming to-do list for Bull’s Eye, resulting in a professional and polished app.

Your First iOS & SwiftUI App: An App from Scratch

Updated for 2023! If you’re a complete beginner to iOS and SwiftUI development and wondering how to get started, this is the course for you.

watchOS: Complications

Learn how to develop one of the most compelling and useful features of the Apple Watch: Complications.

Apple Health Frameworks

This course will walk you through the steps of making a health app using all the Apple Health Frameworks. Learn how to use HealthKit, CareKit and ResearchKit together to make a seamless app.

Supporting SwiftUI with Core Graphics

Learn how to support SwiftUI drawing with Core Graphics! This course picks up where our Drawing in iOS with SwiftUI course left off. You’ll enhance the Open Mind app with help from UIKit and Core Graphics. You’ll learn how to integrate UIKit views with SwiftUI, use UIKit touch methods to capture Apple Pencil drawing, and make the whole drawing view a UIControl that we can plug into any of our future SwiftUI apps.

Modern Concurrency: Beyond the Basics

Build on your knowledge of async/await, tasks and asynchronous sequences to use concurrent tasks in safe, performant and predictable asynchronous apps. Learn how to create and use custom AsyncStream sequences, continuations, task groups and custom actors.

Modern Concurrency: Getting Started

Learn how to use Swift’s new native model for writing safe, efficient concurrent code. Create safe, performant and predictable asynchronous apps using these Swift concurrency features:

Advanced Networking with URLSession

Dive deeper into URLSession. Learn how to upload data and how to perform background downloads. Work with sockets and use WebSockets for real-time messaging. Learn about authentication, App Transport Security, and cookies.

Beginning Networking with URLSession

Learn how to use URLSession, Apple’s networking API, including how to download data, show download progress, group multiple network requests, handle errors, and more. Learn about concurrency and how it plays a role in networking, perform downloads. Updated for iOS 15 and Swift 5.6.

Core Data: Beyond the Basics

In this course, you’ll learn about how to fetch, sort and filter entries from a Core Data persistent store. You’ll also dive into some more advanced topics such as delete rules and Core Data with Swift Concurrency.

Core Data: Fundamentals

Learn the basics of Core Data in this beginner series. You’ll learn how to model your data with attributes and relationships, save data using a context, display saved data in lists and much more, in both SwiftUI and UIKit!

Building with Bazel

Bazel is an open source build system created by Google for compiling large complex codebases. This courses teaches the basics of using building from writing a very simple Java application to compiling an Android app with a lots of dependencies.

✨ Made in collaboration with Spotify ✨

WWDC 2022

To help you dig into Apple’s massive catalog of content from WWDC 2022, Catie Catterwaul counts down her top 10 sessions that you shouldn’t miss!

In-App Purchases

Updated for 2022! In-App Purchase offers additional revenue streams for developers other than the initial purchase from the App Store. This can be great for unlocking functionality, providing additional content or for in-game currency.

This course covers the dance with App Store Connect, integration with StoreKit, restoration of previous purchases and transaction validation, by the end of the series you’ll have a great understanding of the concepts behind IAP.

Drawing in iOS with SwiftUI

Learn about drawing using SwiftUI by creating custom controls using a combination of SwiftUI and Core Graphics. Covers shapes, colors, drawing with Pencil, and how to integrate them into a non-trivial app.

Saving Data in iOS

Find out where and how to save data in iOS! This course explores common methods for persisting user data, all from within Xcode Playgrounds.

Units & Measurement in iOS

Learn how to model units of physical quantities with Measurements and Units from Foundation for safer conversion and display of meaningful values.

Wrangling Dates & Time in iOS

Understanding the deep technical details how dates and time work in iOS is immensely helpful for developing apps—every single day, month, and year! Learn the foundational structures behind working with dates and time in iOS. Then, apply your date modeling to SwiftUI views.

Acing the iOS Interview

The iOS interview process is nerve-wrecking, time-consuming, and frustrating. Join us to learn how to answer any interview question like a pro. In this course, experts from top companies show you EXACTLY how it’s done, from start to finish. You’ll learn what works and what doesn’t, and how to improve, so that you can go into your next iOS interview feeling prepared, confident and ready to rock!