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

Buddy
CircleCI
Jenkins
Limestone Networks
Codeship
Codero
DeployBot
Everything you need to run your code on any cloud.

Which is more popular?
Based on our record, Codewars seems to be a lot more popular than Cloud 66. While we know about 160 links to Codewars, we've tracked only 4 mentions of Cloud 66.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | cloud66.com |
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In their own words, as submitted to SaaSHub.


No description of Codewars yet.
Cloud 66 gives you everything you need to build, deploy and maintain your applications on any cloud, without the headache of dealing with "server stuff". With the convenience of PaaS but on any cloud, and in any region, Cloud 66 has persistent storage, custom network configuration, zero downtime...
What each product offers, as listed by its team.


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
Cloud 66 is recommended for small to medium-sized development teams, particularly those working with Rails, Node.js, containerized applications, or microservices. It's a great fit for organizations looking to streamline their DevOps processes, improve deployment efficiency, and leverage cloud infrastructure without investing heavily in in-house DevOps expertise.
Walkthroughs and reviews on video.
Codewars Review & Tips
More videos
Cloud 66 in under 90 seconds
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codewars and Cloud 66. 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...
We have no reviews of Cloud 66 yet. Be the first one to post
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
You can deploy and manage any application (Rails, Jamstack, Containers) on any cloud with cloud66.com. Source: about 4 years ago
If you want some oomph and production-quality stuff, bring your own hardware to hatchbox.io or cloud66.com. Source: about 4 years ago
Https://cloud66.com is the best alternative that runs on your own cloud and is native for Rails apps. - Source: Hacker News / over 4 years ago
When comparing Codewars and Cloud 66, 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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The simplest CI/CD tool ever made, acclaimed by top developers worldwide. It uses delivery pipelines to build, test and deploy software. Pipelines are created with over 100 ready-to-use actions, that can be arranged in any way.
Compare Buddy to Codewars or Cloud 66:

Download and solve practice problems in over 30 different languages.
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CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Compare CircleCI to Codewars or Cloud 66:

Treehouse is an award-winning online platform that teaches people how to code.
Compare Treehouse to Codewars or Cloud 66:

Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Compare Jenkins to Codewars or Cloud 66: