Mastering Swift Concurrency
Unlock the power of Swift Concurrency with our comprehensive course, 'Mastering Swift Concurrency: From Basics to Advanced.' Designed for Swift developers.
What you'll learn
The Course
Dive into the world of modern iOS development by tackling one of its most crucial aspects – concurrency. As apps grow more complex, ensuring smooth, responsive, and efficient performance is a must. This is where understanding and properly implementing concurrency comes into play. Our journey will begin with the basics of asynchronous programming and evolve into mastering advanced techniques. You'll get your hands dirty with async/await, learn to manage complex tasks using DispatchQueues, and conquer race conditions with ease.
Throughout this hands-on adventure, you’re not just going to watch code snippets—you’ll be writing them. You’ll implement real-world scenarios that iOS developers face daily, harnessing the power of concurrency to create apps that don't just function but impress with their snappy responsiveness. By the end, you’ll have the skills to craft and optimize apps like a seasoned developer, fluently using Swift’s concurrency model to deliver an exceptional user experience. Whether you're prepping for your next job or looking to upgrade your existing projects, these tools will be indispensable in your developer toolkit.
What you will learn
I started creating this course with one clear goal in mind: to take you from feeling baffled by all the new concurrency features in Swift to becoming someone who confidently writes safe, fast, and modern asynchronous code. I meticulously structured each lesson, so it seamlessly builds on the last, ensuring no stone is left unturned. Expect a blend of theory, practical coding exercises, and real-world examples that empower you to harness the full power of asynchronous programming. I've received great feedback on the organization and clarity of the materials, and students appreciate the thoughtful challenges that allow them to apply what they've learned immediately. After completing this journey, not only will you understand the 'how' behind concurrency but also the 'why', which is just as vital for writing robust and efficient applications.
Curriculum
Meet Stephan,
Your Instructor and Mentor
With 1000+ hours of content and 15 courses, Stephan Dowless makes coding approachable and fun. As a former Meta engineer, he combines real-world experience with clear, engaging teaching to help you succeed in tech.
Stephan is a seasoned iOS developer with over a decade of experience in the tech industry. His expertise spans across building scalable, production-ready applications that are designed to handle millions of users, incorporating advanced features, and optimizing performance.
Throughout his career, Stephan has been passionate about not only writing impeccable code but also about mentoring and elevating fellow developers. This passion led him to create the Pro Plus series, where he distills his extensive industry knowledge and real-world experience into comprehensive, high-quality courses.

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Success Stories
Our students are getting hired at top companies. We can help you get there too.




















"If you're a student with dreams of becoming an iOS engineer, I highly recommend AppStuff as your go-to resource. Trust me, it's the perfect launchpad for your iOS development journey. Thank you, AppStuff, for making my dream a reality!"
"Today, I proudly call myself an iOS engineer, and I owe a significant part of my success to AppStuff. With their guidance and resources, I not only gained the knowledge and skills but also the confidence to pursue a career in iOS development. I am now equipped to tackle challenging projects and contribute meaningfully to the world of mobile app development."
"I cannot express enough how grateful I am for the incredible journey AppStuff has taken me on in my pursuit of becoming an iOS engineer. As a student aspiring to break into the world of app development, I was initially overwhelmed by the complexity of iOS development. That's when I stumbled upon AppStuff, and it truly transformed my learning experience."
Stephan Dowless consistently puts out some of the most in-depth and well-rounded iOS tutorials I’ve ever come across. His courses don’t just scratch the surface—they fully cover what they teach, which is something I really appreciate in a landscape where many tutorials leave out key details.
What sets Stephan apart even more is how he continues to evolve his courses year after year, always staying up to date with the latest coding standards and best practices. You can tell he genuinely cares about the quality of his content and the success of his students.
If you’re serious about mastering iOS development, I couldn’t recommend his courses more.
Common Questions, Answered
Browse our FAQs for information about our courses, memberships, and app development services.
All courses are available with the monthly and yearly membership plan, except for Pro Plus courses. Pro Plus courses are only available with Lifetime membership. Monthly/yearly members receive 15% off.
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.
If you purchased the course, how does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
If you gained access to the course through our membership, access is only valid as long as your membership is active.
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.