What is 3 Days Of Swift?
- Matthew Thomas
- May 22, 2025
- 6 min read
Updated: Feb 18
What is 3 Days Of Swift?
3 Days Of Swift is an online course to teach the Swift programming language and start beginners on their journey in a brand new career writing software in the tech industry.
The 3-Day Bootcamp
The 3-day intensive course is the introduction to programming every student needs to start learning Swift as a beginner and also learning how to use Xcode as the industry-standard tool for writing software for Apple products. This course offers a strong transformation from absolute beginner to Swift engineer who built a strong foundation of the language that can easily grow in size by learning more topics and more advanced features. This short bootcamp combined with the Developers Toolkit (available to download as part of their monthly subscription plan) is an unstoppable force on the internet to teach beginners and junior iOS Developers how to use Swift and become a great Swift Engineer. All of these resources offered as part of their monthly subscription plan are all you need to start your journey learning Swift on a path to applying for a job in the tech industry.
The Website
The website starts each students learning journey with a free 3 lesson preview. All you have to do is to sign up and start learning Swift free of charge. The 4th lesson will be provided by subscribing to a monthly plan which unlocks all of the online programs including the Developers Toolkit (Language reference guides and downloadable code examples). After completing the 3-day course each student will continue to enrol in the numbered programs displayed in our members centre. The 3rd program will start the students collection of the Developers Toolkit; The Official Swift Book written by Apple, a professionally written Xcode project and The Swift Cheatsheet (language reference guide).
How to Enrol
Click here to sign up and enrol.
How to Learn Swift
Learn all topics in the Swift Study Guide below, write tested systems in code & don't waste time building or learning UI (user interfaces). You can achieve all this at 3DaysOfSwift.com.
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Frequently Asked Questions
Do I need to learn SwiftUI to get a junior job?
No. Swift is required. SwiftUI can be learned on the job.
Is Swift hard to learn?
Swift is approachable but deep. Structured learning makes it manageable.
Can I learn Swift in a weekend?
You can start in a weekend, but mastery takes consistent practice.
Is Swift still worth learning in 2026?
Yes. Swift remains the foundation of the iOS ecosystem.
How do I prepare for Swift interviews?
Practice language features, not UI layouts. Use executable examples.
Summary: Learn Swift First, Everything Else Follows
If you want to learn Swift in 2026, focus on the language — not the noise around it. Free resources are abundant, but clarity is rare.
Platforms like 3DaysOfSwift.com exist to remove confusion, shorten learning curves, and help you build confidence where it matters most: in Swift itself.
If you’re serious about starting a career in iOS development, begin with Swift. Everything else can come later.
Our Free Products at 3DaysOfSwift.com
All products are free. Some require signup. All are designed to help you learn Swift faster — and properly.
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3 Days Of Swift Bootcamp
Learn Swift by enrolling in our 3-day online bootcamp. We have 3 days of instructional videos pair programming with our experienced instructor and Senior iOS Developer who guides you to write code for each main language feature of Swift.
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Swift Study Guide
Also, as an additional bit of help 3DaysOfSwift has the Swift Study Guide (listed below and to download), which is a list of Swift language features each iOS Developer should know before applying for jobs in the tech industry.
List of Swift Language Features
Download the list of topics (Swift language features) you will be required to know in order to pass an interview for an iOS Developer role.
Download as PDF
Beginner Topics
Topic 1: The Basics & Foundational Types
Topic 2: Control Flow
Topic 3: Optionals
Topic 5: Classes
Topic 6: Structs
Topic 7: Enums
Topic 8: Value Types & Reference Types
Topic 9: ARC (Automatic Reference Counting)
Mid-level Topics
Topic 10: Extensions
Topic 11: Protocols
Topic 12: Concurrency
Topic 13: Error Handling
Topic 14: Generics
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A Career in Swift
Also, as an additional bit of help 3DaysOfSwift has outlined a few career tips that might help as you start your journey as an iOS Developer applying for jobs writing software for Apple devices.
Tips 💡
Below we have included a few career tips to help get you started as a Junior iOS Developer working in the tech industry.
Focus on learning the Swift language itself. Most team members start their learning journey by studying Xcode and building apps. It's a lot of information and plenty to get confused about. Most of your colleagues will have many gaps in knowledge that affect their every-day anxiety with completing tasks and having it reviewed by others. Instead, why not become the one of the reviewers? Our advice is to stand out in the tech industry and if you want to stand out I would suggest becoming very knowledgable about the language itself; Every single developer will be using it and they will all be competing over Architecture and not the best use of language features. Armed with an incredible understanding of the language you will have the confidence in knowing you can maintain any existing product on the market.
Gather "Career Things" like they were collectibles in a game. This easy-to-remember and rather broad term is a great bit of advice. Too many engineers let the months go by without really taking on board many exciting projects or doing anything that wows any one. This is a terrible idea in every way. Stand out. Be the best at something (like understanding the language). When you change positions and apply to a different company you will have an interview and they'll grill you with many questions. The main bits to know are these; Your CV gets you the interview. You display your worth in the interview.
Your CV gets you the interview: Your short 2 page bullet-pointed CV is simply a list of amazing things you did to improve the team, the social element, the code quality, the income, how you increased user retention, how you added a successful feature and improved the app. You must collect career things.
You display worth in the interview: In the interview you want to fill the hour with saying similar phrases non-stop to "I was able to tweak the values and affect the income of the product simply by reducing the friction of the onboarding and providing a more seamless and pleasant user experience for the user. We now have only a 14% drop compared to most companies that have around 30% typically." Notice how you use "we" when referring to your current company in interviews. To simplify the phrase just-used, "I helped my company move forward. I improved the product, which led to an increased user experience and ultimately more profits for the company. I am a team player and I will improve your company at every opportunity possible."
Become confident in Interviews. You are now a talented Swift engineer who understands the Swift language and has a list of successful results you can pull out of the bag and discuss and any interview. You are constantly and infinitely talking about specifics of the Swift language and how cool and useful it is. You are stacking up one example after another of how you affected the results of the team and the company. You are great at telling these stories. The world is your oyster and you can be confident in your abilities as well as your choices in life.
Move company every 2 years. Ask for a £10,000 increase each time. When you become bored at your current job because you "know too much" then start thinking about moving perhaps - it's probably time to upgrade into a different role with a new title and annual salary.
Be driven and be proud that you help keep the world moving by maintaining the digital services we all love and are constantly glued to.
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Why not take our online bootcamp and learn Swift in a weekend?
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Welcome to our community of 3DaysOfSwift.com students!
Google Search Words - SEO - Hashtags & Terms
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We are not affiliated with 100 Days of Swift. If you want to learn SwiftUI please visit HackingWithSwift.com.
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