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

Time Flies
CountAnything
Canny.io
Age Calculator
Days App
Things Counter
Shortlife
Stop guessing what customers want, start making things happen

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 | happen-zeta.vercel.app |
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In their own words, as submitted to SaaSHub.


No description of Codewars yet.
Happen is the world's easiest to use customer feedback widget which enables you to make informed decisions that make your product better and make your customers not only feel heard but actually be heard.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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
Walkthroughs and reviews on video.
Codewars Review & Tips
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The Ultimate Happn Review [Can It Make Things Happen?]
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codewars and Happen.
Happen's answer:
AI insights for feedback received One-time payment
Happen's answer:
-No subscriptions -Easy to use -AI Insights
Share your experience with using Codewars and Happen. 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 Happen 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
Tracking Happen since Aug 2024.
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