8 Best + Free Kotlin Tutorial & Courses [2021 OCTOBER] [UPDATED]

Best Kotlin courses

A team of 30+ global Web Development Experts have compiled this list of 8 Best Kotlin Course, Tutorial, Training, Classes & Certification available online for 2021. These resources will help you excel at Android Kotlin, and they are suitable for beginners, intermediate learners as well as experts. 9,000+ professionals have already benefited from this compilation, hope you do too!


8 Best Android Kotlin Tutorial, Course, Certification & Training Online [2021 OCTOBER] [UPDATED]

1. Kotlin Tutorial for Beginners: Learn Programming With Kotlin (Udemy)

Peter Sommerhoff is a Developer & Software Engineer and has taught 25,000+ Happy Students! His courses have got excellent feedback and that’s why we recommend you to check out his offering. In a short course spanning 6.5 hours, he packs a punch and teaches you all aspects required for beginners as well as Java experts.


Key USPs – 

– He claims this is the only course that is referenced from official Kotlin website as well as Android developers website

– Training completely suitable for beginners and offers multiple challenges along the way

– Topics include variables & nullable types, Conditionals: if and when, Object orientation : classes, objects, interfaces

– Once you go through this course, you will also be able to understand other object-oriented languages, including Java, PHP, C++, C#, Scala, or Swift


Duration : 6.5 hours

Rating : 4.5 out of 5

You can Sign up Here


Review : The videos are short and to the point for each topic. The explanations are very concise for beginners. I am about 60% through course and have a good understanding of the basics. Hoping to have a solid understanding at the end to be able to put into real use. – Chad King



2. Kotlin for Java Developers by Jetbrains (Coursera)

This modern programming language can be used almost everywhere Java is used today. The course is designed to help you get an introduction to this language as well as discussion of many corner cases, concerning Java interoperability. Understand the similarities between both the languages as well as the difference. Some of the crucial topics covered include functional programming, nullability, standard library, OOP and more.


Key USPs-

– Well designed curriculum and elaborately explained content.

– Implement the concepts covered in the lessons by attempting the practical assignments.

– Get complete guidance to set up the relevant tools and configure accordingly.

– The flexible guidelines allow you to learn as per your convenience.

– Complete the graded assessments to earn the course completion certificate.


Duration: 19  hours, 7 hours per week

Rating: 4.7 out of 5

You can Sign up Here 


Review : This course is a great way for learning Kotlin. Although I’ve been using the language for almost 2 years now, still there were some new things that I’ve learned/re-learned from this course. -NV



3. Kotlin Tutorial for Android: Beginner to Advanced (Udemy)

Mark Price’s Devslopes has trained over 230,000 professionals helping them become proficient in programming and app development. This Kotlin tutorial spread across 23 hours also enjoys ravishing ratings from its attendees and therefore makes it to our list.


Key USPs – 

– Will learn working with interface builder and all the SDK’s you need to build apps.

– Will get to build professional, amazing looking apps from start to finish.

– Learn to code the way PROs code

– Learn to submit to Google Play store

– Most importantly, build smashing real world Apps


Duration : 23 hours

Rating : 4.6 out of 5

You can Sign up Here


Review : Good introduction course to both Kotlin and Android Development. Jonny tries his best to explain things the best way possible, been concise, clear and going directly to the point. – Eduardo Bastos



4. Android App Development Masterclass using Kotlin (Udemy)

This Kotlin tutorial will help you create apps on Android Oreo using Kotlin. Instructors Tim Buchalka (Java, Android & Python Expert Developer) and Jean-Paul Roberts (Computer programmer, analyst and teacher) have taught over 350,000 students are well renowned in the android development and online teaching domain.


Key USPs –

– Learn to build on Android Oreo (latest version)

– Create Button Counter app, Calculator App and Top 10 Downloader App

– Get expert-level knowledge of Kotlin and understand how Android Oreo development works

– Course is regularly updated


Duration: 59 hours

Rating: 4.6 out of 5

You can Sign up Here


Review : Tim is very informative and does a great job explaining things. The way I learn I want to know exactly why things are the way they are, and why the instructors are doing things the way they are, and Tim does a great job of explaining everything he does. This really helps me understand what I’m doing. – Josh Bors


5. The Complete Android N Developer Course (Udemy)

If you want to learn Android more holistically, then this Android Nougat development course might just be the thing for you. With a high rating of 4.6, trainers Rob Percival and Marc Stock have come up with an exceptional course having already taught 510,00+ students over time! This tutorial will help you learn app development with Android 7 Nougat and make you build real world apps like Uber, Instagram and more.


USPs –

– Learn Java, Advanced Android Features, Maps and Geolocation

– Build a Clone for Uber, Flappy Bird, Twitter and more

– 32 hours of on demand video + 106 articles + 47 Supplemental Resources


Duration: 32 hours

Rating: 4.5 out of 5

You can Sign up Here


Review : Excellent android course. Thank you Rob. You’re great. All the explanations are simple and up to the point. Thank you again for arranging CCA and for all the free stuffs. Once again thank you Rob for the awesome course. – Joy Das



6. Best Kotlin Course for Java Developers

This is meant for ones who have basic knowledge of Java since it will help quicken the process of learning Kotlin for you. Created by Sarah Ettritch and Tim Buchalka’s Learn Programming Academy, both experts in the domain of software development and a combined experience of over 60 years. Together, they’ve taught over 200,000 students on udemy and other e-learning platforms!


Key USPs – 

– Understand differences between Java and Kotlin and also how they inter operate

– 16.5 hours of on demand video with lifetime access

– Teaches you about Data Types and Null Reference Handling, OO and Kotlin

– Trains you on Lambda Expressions, Collections and Generics


Duration: 16.5 hours

Rating: 4.5 out of 5

You can Sign up Here


Review : Sarah gets into detail but not so much detail that you don’t understand. She breaks down concepts and compares them Java which helps with the learning curve of a new language. I am using this course to switch my Android dev to Kotlin. Definitely recommend this course for anyone who is well versed in Java and is interested in Kotlin. – Jon Holtan

7. The Complete Kotlin Developer Course

This course is meant for ones who want to learn Kotlin and develop it into their primary language for creating Android Apps and building Javascripts. Rob Percival and Nick Walter are renowned names in the field of web development and e-learning. Together, they have taught over 100,000 students and enjoy positive reviews and recommendations of their participants.


Key USPs – 

– Program works for both beginners and experienced programmers

– Learn by developing fully functional projects

– Tests along the way to keep you in check

– Build a command line tool and javascript from Kotlin


Duration: 12.5 hours

Rating: 4.5 out of 5

You can Sign up Here


Review : Easy to understand, even for a non-native speaker. All goes step by step, nice voice, nice speed. – Max S


8. Kotlin Developer Masterclass – Build Android & Kotlin Apps

This course promises to make you a Kotlin expert in 5 weeks! Alongside, you will also get training on Android Development, Android Studio & IntelliJ IDEA from Scratch. Created by Fahd Sheraz and Paulo Dichone, both expert web developers and teachers who have together taught 70,000+ professionals.


Key USPs of the training – 

– 26.5 hours of on demand video training

– Can help you boost your income as an Android Developer

– Build strong foundations in Android Studio, IntelliJ Idea, and Android Development

– Will teach you how to monetize your android apps by integrating advertisement


Duration: 32.5 hours

Rating: 4.3 out of 5

You can Sign up Here


Review : I learned so much in this course, and I haven’t finished it yet, but so far thanks to the professor I’m learning to understand Android like a developer and even a hacker, since I can change the code of my phone and apps now, that I understand more about the code it was written in. – Kevin



9. Kotlin Essential Training – Free Course (LinkedIn Learning)

This training on Kotlin specifically focuses on the essential features of the programming language, specifically the version that runs on Java Virtual Machine. Instructor David Gassner guides you throughout the journey. Commence from the initial project setup, rudimentary syntax before going ahead with the advanced level topics such as exception handling, dynamic data collections and more. End the classes with lectures on inheritance which is a key feature of object-oriented programming.


Key USPs-

– Clear guidance is provided to go through with the necessary installations and configurations for this training.

– The first few lectures provide an explanation of how to get started with the exercises.

– Assignments and lectures are available for online practice as well as for download.

– Learn with a hands-on approach by solving practical coding challenges.

– The training is divided into 7 sections along with regular quizzes.

– The resources and exercises can be accessed for free.


Duration: 3 hours 45 minutes

Rating: 4.5 out of 5

You can Sign up Here 



10. Learning Kotlin for Android Development (LinkedIn Learning)

The presence of Kotlin has made the process of Android development much simpler. This program is taught by author and Android developer Kevin Moore. Throughout the duration of the training, you will learn how to set up the environment for development, explore the syntax of the language and other complex topics. By the end of this course, you will be confident enough to implement the skills acquired to build your own apps. With over 13,000 viewers this training is one of the top choices of viewers.


Key USPs-

– As this is an intermediate level course, therefore, knowledge of the core Java topics are required.

– Implement the concepts covered in the lessons by creating a photo app using this language.

– There is an option of ‘view offline’ that allows you to view lectures without the internet and as per your convenience.

– The training is divided into 4 sections along with quizzes and exercises.

– The complete course is available for free.


Duration: 1 hour 1 minute

Rating: 4.5 out of 5

You can Sign up Here 



11. The Complete Android Kotlin Developer Course

A great course for beginners, you will learn how to build real-world Android apps like Facebook, Find my phone, Calculator, Twitter and other android applications. It is created by Hussein Al Rubaye, who is a master in Software Engineering from Rochester Institute of Technology, United States and has taught 94,000+ students online so far.


Key USPs of the program – 

– A step by step guide for beginners

– Helps you become job ready too

– Trains you to be ready to create your first mobile app

– Helps you develop apps like Alarm apps, Sensor apps, Restaurant menu, Pokemon game and more


Duration: 33.5 hours

Rating: 4.2 out of 5

You can Sign up Here


Review : The course is very well done, I have learned a lot. The instructor just needs to work on his English pronunciation. – Dewald Van Staden



Whether you are a beginner when it comes to Kotlin or want to develop your expertise in the language, if you want to grow in your web development career, or if you want to boost your freelance income, you’ve come to the absolute right place. We’ve shortlisted the best Kotlin training programs will help you master creation of Android apps using the language, which is also the new blue eyed boy everybody loves. With various training programs offering unique content, you can easily choose the right one as per your comfort.


So that folks were the Best Android Kotlin Tutorials, Courses and Training for Android Development, hope you found what you were looking for. You may also be interested in checking out Angularjs Training, Golang Tutorial and Best React Tutorial and Best JavaScript Tutorial. If you liked what you read, do share it with your friends. Wish you all the best with all your professional endeavors. Cheers, Team Digital Defynd.