
Codecademy
Exercism
LeetCode
Treehouse
edX
Coursera
Udemy
Achieve code mastery through challenge.

Refactor.io
Figstack
PullRequest.com
GitLive
Azure DevOps
codebeat
Codacy
CodeStream helps development teams resolve issues faster, and improve code quality by streamlining code reviews inside your IDE

Which is more popular?
Based on our record, Codewars seems to be more popular. It has been mentioned 160 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | codestream.com |
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In their own words, as submitted to SaaSHub.


No description of Codewars yet.
CodeStream enables asynchronous communication among developers on your team, anywhere. Review changes in the context of the full source tree, using your favorite keybindings and environment. Use a simple shortcut to highlight your code and CodeStream will automatically assign a reviewer based on...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.
Overall verdict
Why this product is good
Recommended for
Development teams who heavily rely on IDEs like Visual Studio Code, IntelliJ, and others. It is particularly useful for remote teams that require robust code review and communication tools to maintain effective collaboration.
Walkthroughs and reviews on video.
Codewars Review & Tips
More videos
CodeStream Code Review Inside Your IDE
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codewars and CodeStream. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Edabit offers a learning experience similar to learning a new language, focusing on smaller and more frequent exercises that build proficiency over time. Like Codewars, Edabit provides many challenges that increase in...
In conclusion, while Leetcode remains a valuable resource for coders, the platforms listed above offer varied approaches to learning and improving coding skills. Whether you're drawn to the gamified learning...
This LeetCode alternative has excellent features for anyone looking to sharpen their coding skills. Codewars uses kata, which are small coding exercises that are community developed to help you master your language of...
After using this with my development team for a few weeks, we grew to love it. Product works amazing for its purpose and really helps developers communicate about our code.
Recommendations tracked on public social media and blogs since March 2021.


Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago
Tracking CodeStream since Mar 2021.
When comparing Codewars and CodeStream, you can also consider the following products.

Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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Share your code instantly for refactoring and code review
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Download and solve practice problems in over 30 different languages.
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Practice and level up your development skills and prepare for technical interviews.
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