RxSwift and RxCocoa Hands-On Review: Is This Udemy Course Worth It for iOS Developers?

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RxSwift and RxCocoa Hands-On

★★★★★

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Udemy.com

as of October 8, 2025 7:36 pm

RxSwift and RxCocoa for beginners

Created by: Cristina Gheorghisan
Trainer and Coach

Rating:4.15 (23reviews)     101students enrolled

What Will I Learn?

• The lectures, videos and other resources will provide you with relevant information about reactive programming
• You will learn how to use RxSwift and RxCocoa to develop better iOS apps
• Since we’ll be using Xcode extensively throughout this course, you’ll get to improve your Xcode knowledge
• You will get practical experience by using playgrounds for all the concepts explained in the lectures
• You will learn how to transform a traditional app into a reactive one and evolve it further on through a mini series of episodes that support the lectures
• And last but not least, you’ll get several Practical assignments and a final quiz to test your knowledge

Requirements

• A Mac computer
• Xcode
• CocoaPods
• An interest in improving yourself
• Patience and a lot of perseverance to “try harder”

Target audience

• Swift developers
• Swift students
• iOS architects
• iOS testers
• iOS technical analysts
• iOS evangelists

RxSwift and RxCocoa Hands-On Review

If you’ve been exploring iOS development lately, you’ve likely stumbled upon reactive programming and wondered how to bring its power into your projects. The RxSwift and RxCocoa Hands-On course on Udemy promises to do just that — guiding you through the fundamentals of reactive programming using practical, hands-on exercises.

In this RxSwift and RxCocoa Hands-On review, we’ll break down everything you need to know — from the learning experience to the instructor’s style, course content, pros and cons, and whether it’s really worth your time and money.

Course Overview

The course is designed to help Swift developers understand and apply reactive programming using two powerful frameworks — RxSwift and RxCocoa.

You’ll start by learning the reactive mindset — the “why” behind reactive programming — before diving into Observables, Observers, Subjects, Traits, and Operators. It then moves to advanced topics like error handling, debugging, and schedulers, culminating in building an iOS app reactively from scratch.

The structure is practical: each concept is introduced with explanation, followed by guided implementation in Xcode. This makes it ideal for learners who prefer a “learn by doing” style.

Instructor and Teaching Style

The instructor has a clear and patient teaching style. They explain concepts in a progressive manner — starting from the basics of observables to more complex patterns like transforming and combining streams.

What stands out is the instructor’s focus on “why”. Instead of just showing how RxSwift works, the course emphasizes why reactive programming matters and how it simplifies app architecture. This makes it easier for learners to grasp the rationale behind the reactive approach.

Course Content Breakdown

Here’s what you’ll learn:

1. Reactive Mindset – Understanding how reactive programming differs from imperative programming.
2. Observables and Observers – The building blocks of RxSwift and how data flows reactively.
3. Subjects and Traits – How they manage data streams.
4. Operators – Filtering, transforming, and combining streams effectively.
5. Error Handling & Debugging – Identifying and managing errors in reactive code.
6. Schedulers – Managing concurrency with clean and readable code.
7. Hands-On Project – Building a full iOS app reactively to reinforce concepts.

By the end, you’ll have a solid grasp of how to structure your iOS app using reactive programming principles.

Hands-On Learning Approach

One of the biggest strengths of this course is its hands-on approach. You’re encouraged to follow along with Xcode and CocoaPods setup, write your own code, and experiment with operators.

This makes a huge difference compared to theory-heavy tutorials. Every lesson leads naturally into practice, reinforcing learning through repetition and real-world examples.

The instructor’s advice to “pause, practice, and persist” really pays off — RxSwift can be tricky, but this approach makes it digestible.

Who This Course Is For

The course is tailored for:

• Swift developers exploring reactive programming
• iOS developers looking to modernize their app architecture
• Technical analysts and testers wanting to understand Rx patterns
• iOS enthusiasts eager to deepen their knowledge

However, it’s not suitable for absolute beginners in Swift. You’ll need a basic understanding of the Swift language and familiarity with Xcode.

Pros & Cons

Real Learning Outcomes

After completing this course, you’ll be able to:

• Understand and use Observables, Subjects, and Operators confidently.
• Handle errors, debugging, and threading with RxSwift’s built-in mechanisms.
• Build reactive iOS apps with a cleaner and more maintainable codebase.
• Recognize situations where reactive programming provides clear benefits.

It’s a fantastic step-up for Swift developers who want to write more responsive, asynchronous code without callbacks cluttering their projects.

Is RxSwift and RxCocoa Hands-On Worth It?

Absolutely — if you’re serious about mastering reactive programming in iOS.

The course is well-structured, affordable, and practical. It fills the gap between theoretical tutorials and real-world app development. Whether you’re an iOS developer looking to enhance your architecture or a student preparing for a professional iOS role, this Udemy course provides immense value.

That said, it’s best suited for learners with patience and persistence. Reactive programming has a learning curve, and you’ll need to experiment to internalize its mindset.

Final Verdict

To wrap up this RxSwift and RxCocoa Hands-On review, this course stands out for its clarity, practical approach, and comprehensive coverage of reactive programming fundamentals.

It’s not just about coding — it’s about changing the way you think about app architecture. With its blend of conceptual understanding and hands-on practice, it’s one of the best starting points for developers wanting to integrate RxSwift and RxCocoa into their projects.

Rating: ⭐️⭐️⭐️⭐️⭐️ (4.8/5)
Verdict: Excellent course for Swift developers ready to go reactive.

FAQs

Q1: Is the RxSwift and RxCocoa Hands-On course suitable for beginners?
It’s ideal for beginners in reactive programming, but you should know basic Swift before starting.

Q2: Do I need a Mac for this course?
Yes, since it requires Xcode and CocoaPods, a Mac environment is essential.

Q3: How long does it take to complete the course?
Most learners complete it in 2–3 weeks with regular practice.

Q4: Does this course include projects?
Yes, you’ll build an iOS app reactively, reinforcing your learning.

Q5: Is it worth buying in 2025?
Definitely. RxSwift remains relevant for modern iOS development, and this course provides an excellent foundation.