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

Educational games for kids
Maths is Fun
TuxMath (Tux of Math Command)
NDED
TugofMath.app
Lantern Path Books
GCompris
"I Know It" is an online game for practicing primary-level math concepts.

Which is more popular?
Based on our record, Codewars seems to be a lot more popular than I Know It. While we know about 160 links to Codewars, we've tracked only 1 mention of I Know It.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | iknowit.com |
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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.
No analysis of I Know It yet.
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I Know It Review
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codewars and I Know It. 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 I Know It 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
For supplemental math, try “I Know It” iKnowIt.com. There are cute cartoon animations for kids, and hundreds of review math lessons/skills/topics. Source: about 4 years ago
When comparing Codewars and I Know It, 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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Learn the best online educational games for kids across different subject areas, including math, science, art, history and more.
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Download and solve practice problems in over 30 different languages.
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The site aims to cover the full Kindergarten to Year 12 curriculum.
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Practice and level up your development skills and prepare for technical interviews.
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Tux, of Math Command, AKA TuxMath, lets kids hone their arithmetic skills while they defend...
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